O’Neill Epic 5/4 Back Zip Womens Wetsuit 2021

O’Neill Epic 5/4 Back Zip Womens Wetsuit 2021

FREE wetsuit shampoo with this wetsuit! Shampoo brand my vary from image shown.

 

Description

The 2021 O’Neill Epic 5/4 mm backzip has many of the same sick features as the high-end wetsuits. They include 100% UltraFlex neoprene, double seal neck closure, LSD (lumbar seamless design) and re-engineered covert blackout zip. Clean graphics and sharp style lines make the Epic the best value in the industry.

Unsure of your size? You can check out our helpful Size Guide.

 

Fabric

  • 5/4mm
  • Limestone Based Neoprene
  • Updated Velcro closure
  • Glued in covert zipper contruction with Back-out zipper
  • Washing instruction: Rinse with cool water and drip dry out of direct sunlight

 

100% UltraFlex DS neoprene

High-performance super-stretch neoprene with a durable outer skin that resists velcro pulls and snags. Stretch factor: 150%

FluidFlex neoprene

A category of high stretch neoprene with an ultra soft hand and insane affordability. Stretch factor: 100%

Glued & Blindsticted Seam Construction

o'neill epic 5/4 chest
The blindstitch seam is aptly named because the stitching only goes part way through the neoprene. If a suit is blindstitched, it is also glued so there is no leakage through the seams. Glued and blind stitched construction provides a waterproof seam. A blindstitched suit is also taped in all areas of excessive stress. O’Neill’s exclusive blindstitch is the Flexloc Stitch. Stronger and more flexible than the traditional blindstitch and eliminates unraveling of the seam. O’Neill’s proven GBS-glued and blindstichted seam. Double-stitched partially through the surface and triple glued to create a watertight seam. If the thread breaks, the seam will not leak.

Double superseal neck

o'neill epic 5/4 chest
A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustablility, and a secure lock down. Fully adjustable and watertight.

Strategic seamless paddle zones

wetsuit

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Krypto knee padz

wetsuit

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilizes and extended knee pad for added durability.

External key pocket with loop

wetsuit
Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

 

Read our handy guide on how to look after your equipment here.

O’Neill 2021 Epic 5/4 Chest Zip Womens Wetsuit

O’Neill Epic 5/4 Chest Zip Womens Wetsuit 2021

FREE wetsuit shampoo with this wetsuit! Shampoo brand my vary from image shown

Description

The 2021 Epic 5/4 mm has many of the same sick features as our high-end wetsuits. These include 100% UltraFlex neoprene, double seal neck closure, LSD (lumbar seamless design) and re-engineered covert blackout zip.
The new colourways this year are a beautiful design feature and help make the Epic the best value in the industry.
Unsure of your size, check out our helpful Size Guide.

Fabric

  • 5/4mm
  • Limestone Based Neoprene
  • Sidewinder S-Curve seams
  • Washing instruction: Rinse with cool water and drip dry out of direct sunlight

100% UltraFlex DS neoprene

High-performance super-stretch neoprene with a durable outer skin that resists velcro pulls and snags. Stretch factor: 150%

Glued & Blindsticted Seam Construction

The blindstitch seam is aptly named because the stitching only goes part way through the neoprene. If a suit is blindstitched, it is also glued so there is no leakage through the seams. Glued and blind stitched construction provides a waterproof seam. A blindstitched suit is also taped in all areas of excessive stress. O’Neill’s exclusive blindstitch is the Flexloc Stitch. Stronger and more flexible than the traditional blindstitch and eliminates unraveling of the seam. O’Neill’s proven GBS-glued and blindstichted seam. Double-stitched partially through the surface and triple glued to create a watertight seam. If the thread breaks, the seam will not leak.

F.U.Z.E. Entry system

o'neill epic 5/4 chest
O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. Using the same free floating zipper technology as our patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility.

Double superseal neck

wetsuit
A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

Strategic seamless paddle zones

wetsuit

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Krypto knee padz

wetsuit

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilizes and extended knee pad for added durability.

External key pocket with loop

wetsuit
Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

 

 

Read our handy guide on how to look after your equipment here.

O’Neill Epic 4/3 Back Zip Mens Wetsuit 2021

2021 O’Neill Epic 4/3 Back Zip Mens Wetsuit

FREE WETSUIT SHAMPOO!

The 2021 O’Neill Epic 4/3 Back Zip has many of the same awesome features as our high end wetsuits, including:

  • 100% “Ultraflex” neoprene
  • Double seal neck closure
  • LSD (Lumbar Seamless Design)
  • Re-engineered covert blackout zip

Because of it’s features, the O’ Neill Epic is the best value wetsuit in the industry.

Unsure on your size? You can check out our helpful Size Guide.

Features

100% UltraFlex DS Neoprene

High-performance and super-stretch neoprene with a durable outer skin that resists velcro pulls and snags.

Glued & Blindstiched Seam Construction

The blindstitch seam is aptly named because the stitching only goes part way through the neoprene. If a suit is blindstitched, it is also glued so there is no leakage through the seams. Glued and blind stitched construction provides a waterproof seam. A blindstitched suit is also taped in all areas of excessive stress.  Because of the taping, if the thread breaks the seam will not leak.

wetsuit

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

wetsuit

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

wetsuit

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability.  Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

FluidFlex™ Neoprene

A category of high stretch neoprene with an ultra soft hand and insane affordability.

O’Neill Epic 5/4 Back Zip Mens Wetsuit 2021

2021 O’Neill Epic 5/4 Back Zip Mens Wetsuit

FREE WETSUIT SHAMPOO!

The 2021 O’Neill Epic 5/4mm Back Zip is a great all round suit and shares many of the same awesome features as our high end wetsuits, including:

  • 100% “Ultraflex” neoprene
  • Double seal neck closure
  • LSD (Lumbar Seamless Design)
  • Re-engineered covert blackout zip

Because of it’s features, the O’ Neill Epic 5/4 is the best value wetsuit in the industry.

Unsure on your size? You can check out our helpful Size Guide.

Features

100% UltraFlex DS Neoprene

High-performance and super-stretch neoprene with a durable outer skin that resists velcro pulls and snags.

Glued & Blindstiched Seam Construction

The blindstitch seam is aptly named because the stitching only goes part way through the neoprene. If a suit is blindstitched, it is also glued so there is no leakage through the seams. Glued and blind stitched construction provides a waterproof seam. A blindstitched suit is also taped in all areas of excessive stress.  Because of the taping, if the thread breaks the seam will not leak.

wetsuit

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

wetsuit

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

wetsuit

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability.  Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

FluidFlex™ Neoprene

A category of high stretch neoprene with an ultra soft hand and insane affordability.

O’Neill Epic 4/3 Chest Zip Mens Wetsuit 2021

2021 O’Neill Epic 4/3 Chest Zip Mens Wetsuit

FREE WETSUIT SHAMPOO!

The O’Neill Epic 4/3mm Chest Zip Mens Wetsuit is a new addition to the Epic range for winter 2020, using high quality design and construction.
This new Epic 4/3 with the chest zip entry allows you to move freely in the water without any restrictions in your back thus making it perfect for all surface water sports.
The O’Neill Epic in the 5mm version is the perfect to go in the water in the coldest of UK winter months. The suit is now 100% UltraFlex neoprene which means you get an amazing fitting suit which in it’s self will keep you warmer, as the better the fit the less water can come in panels. Along with the fit the super stretch neoprene keeps you very flexible in the water meaning you will not get tired as quick.

To keep you warmer, the suit also features Fluidflex Firewall which is a thermal chest and back panel inside the suit that retains your body heat and then keeps you warm. The smooth skin on the chest and back stops cold winds cooling down the suit again maintaining your body heat. It has to be said this is a great value wetsuit that is very high quality.

Unsure on your size, use our helpful Size Guide.

Features:

The 2020 O’Neill Epic 4/3 Chest Zip Mens Wetsuit has many great features, including:

  • 4/3mm Neoprene Thickness
  • Smoothskin FluidFlex™ Firewall
  • 100% UltraFlex DS Neoprene
  • Krypto Knee Padz
  • Glued and Blindstitched Seams
  • Double Super Seal Neck
  • New Glued-in Covert Zipper Construction
  • New Chest Zip Entry
  • External key pocket with Loop
  • Strategic Seamless Paddle Zones
  • LSD: Lumar Seamless Design

The Epic wetsuit is a great choice for those wanting a budget wetsuit that still has plenty of features.

 

 

O’Neill Epic 5/4 Chest Zip Mens Wetsuit 2021

2021 O’Neill Epic 5/4 Chest Zip Mens Wetsuit

FREE WETSUIT SHAMPOO!

The O’Neill Epic 5/4mm Chest Zip Mens Wetsuit is a new addition to the Epic range for winter 2020, using high quality design and construction.
This new Epic 5/4 with the chest zip entry allows you to move freely in the water without any restrictions in your back thus making it perfect for all surface water sports.
The O’Neill Epic in the 5mm version is the perfect to go in the water in the coldest of UK winter months. The suit is now 100% UltraFlex neoprene which means you get an amazing fitting suit which in it’s self will keep you warmer, as the better the fit the less water can come in panels. Along with the fit the super stretch neoprene keeps you very flexible in the water meaning you will not get tired as quick.

To keep you warmer, the suit also features Fluidflex Firewall which is a thermal chest and back panel inside the suit that retains your body heat and then keeps you warm. The smooth skin on the chest and back stops cold winds cooling down the suit again maintaining your body heat. It has to be said this is a great value wetsuit that is very high quality.

Unsure on your size, use our helpful Size Guide.

Features:

The 2021 O’Neill Epic 5/4 Chest Zip Mens Wetsuit has many great features, including:

  • 5/4mm Neoprene Thickness
  • Smoothskin FluidFlex™ Firewall
  • 100% UltraFlex DS Neoprene
  • Krypto Knee Padz
  • Glued and Blindstitched Seams
  • Double Super Seal Neck
  • New Glued-in Covert Zipper Construction
  • New Chest Zip Entry
  • External key pocket with Loop
  • Strategic Seamless Paddle Zones
  • LSD: Lumar Seamless Design

The Epic wetsuit is a great choice for those wanting a budget wetsuit that still has plenty of features.

 

 

O’Neill Epic 6/5/4 Chest Zip Wetsuit With Hood 2021

2021 O’Neill Epic 6/5/4 Chest Zip Mens Wetsuit With Hood

In stock suits due to arrive 22/12/20

FREE WETSUIT SHAMPOO!

A seriously warm winter wetsuit with a great low price!

The O’Neill Epic 6/5/4 Chest Zip With Hood wetsuit is a new addition to the epic range for winter 2021, using high quality design and construction. This new Epic 6/5/4 with the chest zip entry allows you to move freely in the water without any restrictions in your back thus making it perfect for all surface water sports. The O’Neill Epic in the 6mm version is the perfect to go in the water in the coldest of UK winter months. Being a hooded suit ensures you do not lose body heat through your head thus you stay warmer for longer even in the coldest of conditions.

The suit is now 100% UltraFlex neoprene which means you get an amazing fitting suit which in it’s self will keep you warmer as the better the fit the less water can sut in panels. Along with the fit the super stretch neoprene keeps you very flexible in the water meaning you will not get tired as quick.

To keep you warmer, the suit also features Fluidflex Firewall which is a thermal chest and back panel inside the suit that retains your body heat and then keeps you warm. The smooth skin on the chest and back stops cold winds cooling down the suit again maintaining your body heat. It has to be said this is a great value wetsuit that is very high quality.

Features

The 2021 O’Neill Epic 6/5/4 Chest Zip Mens Wetsuit With Hood comes packed with features, including:

  • 6/5/4mm Neoprene Thickness
  • Smoothskin FluidFlex™ Firewall
  • 100% UltraFlex DS Neoprene
  • Krypto Knee Padz
  • Glued and Blindstitched Seams
  • Double Super Seal Neck
  • New Glued-in Covert Zipper Construction
  • New Chest Zip Entry
  • External key pocket with Loop
  • Strategic Seamless Paddle Zones
  • LSD: Lumar Seamless Design

Size Chart

You can check out our guide for maintaining your wetsuit here.

 

O’Neill Hyperfreak 4/3 Chest Zip 2020

O’Neill Hyperfreak 4/3 Chest Zip 2020

FREE WETSUIT SHAMPOO!

The 2020 O’Neill Hyperfreak 4/3 Chest Zip features our Exclusive TechnoButter 3 & TB3X material, now lighter and more buttery than ever 20% lighter with 30% less water absorption.

Unsure which size to choose, use our helpful size guide.

Features

Technobutter 3 & TB3X Neoprene

O’Neill’s exclusive new improved stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Combined with Technobutter 3X, the lightest, most flexible, softest material ever created.

Glued, Blindstitched & Taped Seams

Soft and durable neoprene seam tape. 0.5mm split-neoprene applied to triple-glued seams to seal out water keeping you dry and loose.

 

F.U.Z.E. Entry System

O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. Using the same free floating zipper technology as our patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility within your wetsuit.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight – the hyperfreak will keep you warm!

wetsuit

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates wetsuit rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

2020 O’Neill Hyperfreak 4/3 Chest Zip has Sidewinder S-Curve seams.

wetsuit

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises an extended knee pad for added durability.

wetsuit

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and is a completely secure for you to store your key in your hyperfreak.

O’Neill Hyperfreak 4/3+ Chest Zip with Hood 2021

2021 O’Neill Hyperfreak 4/3+ Chest Zip with Hood

FREE WETSUIT SHAMPOO!

The 2021 O’Neill Hyperfreak 4/3+ Chest Zip with Hood features our Exclusive TechnoButter 3 & TB3X material, now lighter and more buttery than ever 20% lighter with 30% less water absorption.

  • Fuze Clousure System (Chest Zip Entry)
  • Minimal Seam Design (Giving You Incredible Flexibility)
  • 360 Degree Barrier With Drain Holes (Prevents Intake Of Water Into The Wetsuit)
  • Double Seal Neck (For Comfort & Warmth)
  • Full Body / Legs Uses Technobutter 3 Neoprene
  • Arms / Shoulders Uses Technobutter 3X Neoprene (Simply The Most Flexible Neoprene On The Market)

Unsure on your size? You can check out our helpful size guide.

Features

Technobutter 3 & TB3X Neoprene

O’Neill’s exclusive new improved stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Combined with Technobutter 3X, the lightest, most flexible, softest wetsuit material ever created.

Glued, Blindstitched & Taped Seams

Soft and durable neoprene seam tape. 0.5mm split-neoprene applied to triple-glued seams to seal out water keeping you dry and loose.

F.U.Z.E. Entry System

O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. Using the same free floating zipper technology as our patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility within your suit.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

wetsuit

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates wetsuit rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

Sidewinder S-Curve seams.

wetsuit

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

wetsuit

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

O’Neill Hyperfreak 5/4 Chest Zip 2020

2020 O’Neill Hyperfreak 5/4 Chest Zip

FREE WETSUIT SHAMPOO!

The 2020 O’Neill Hyperfreak 5/4 Chest Zip features our Exclusive TechnoButter 3 & TB3X material, now lighter and more buttery than ever 20% lighter with 30% less water absorption.

Unsure on your size, check out this helpful Size Guide.

Features

Technobutter 3 & TB3X Neoprene

O’Neill’s exclusive new improved stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Combined with Technobutter 3X, the lightest, most flexible, softest wetsuit material ever created.

Glued, Blindstitched & Taped Seams

Soft and durable neoprene seam tape. 0.5mm split-neoprene applied to triple-glued seams to seal out water keeping you dry and loose.

 

F.U.Z.E. Entry System

O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. Using the same free floating zipper technology as our patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility within your suit.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

wetsuit

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates wetsuit rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

Sidewinder S-Curve seams.

wetsuit

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

wetsuit

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and is a completely secure way to store your key in your wetsuit.

O’Neill Hyperfreak 5.5/4 Chest Zip with Hood 2021

2021 O’Neill Hyperfreak 5.5/4 Chest Zip with Hood

FREE WETSUIT SHAMPOO!

The 2021 O’Neill Hyperfreak 5.5/4 Chest Zip with Hood features our Exclusive TechnoButter 3 & TB3X material, now lighter and more buttery than ever 20% lighter with 30% less water absorption.

Unsure on your size, try this helpful size guide.

Features

Technobutter 3 & TB3X Neoprene

O’Neill’s exclusive new improved stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Combined with Technobutter 3X, the lightest, most flexible, softest wetsuit material ever created.

Glued, Blindstitched & Taped Seams

Soft and durable neoprene seam tape. 0.5mm split-neoprene applied to triple-glued seams to seal out water keeping you dry and loose.

F.U.Z.E. Entry System

O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. Using the same free floating zipper technology as our patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility within your wetsuit.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustablility, and a secure lock down. Fully adjustable and watertight.

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates wetsuit rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

Sidewinder S-Curve seams.

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and is a completely secure way to store your key in your wetsuit.

O’Neill Psycho One 4/3 Chest Zip 2021 Wetsuit

2021 O’Neill Psycho One 4/3 Chest Zip Wetsuit

FREE WETSUIT SHAMPOO!

The 2021 O’Neill Psycho One 4/3 Wetsuit minimal seam madness is now available in F.U.Z.E. and Z.E.N. Zip Closures. The ultimate high-performance cold water wetsuit. Built with ultra gooey TechnoButter 3 Neoprene and ultra-minimal seam styling offers unrestricted mobility, enhanced durability and incredible fit. The Psycho One will raise your performance level to new heights.

Unsure on your size, use our helpful Size Guide

Features

Technobutter 3 Neoprene

O’Neill’s exclusive new pre-stretched neoprene with featherlight, ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Built to last.

Single Fluid Seam Weld

O’Neill’s exterior fluid seam weld is a revolutionary seam construction that utilises a non-chafing high-grade, silicone-based urethane applied in liquid form to outside of a glued and blindstitched seam completely blocking out water without restricting flexibility.

F.U.Z.E. Entry System

O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative for the 2020 O’Neill Psycho One 4/3 Chest Zip. Using the same free floating zipper technology as our patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility within your suit.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

Strategic Seam Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates wetsuit rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

Sidewinder S-Curve seams.

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

O’Neill Psycho One 4/3 Back Zip 2021

2021 O’Neill Psycho One 4/3 Back Zip

FREE WETSUIT SHAMPOO!

The 2021 O’Neill Psycho One 4/3 Back Zip minimal seam madness is now available in F.U.Z.E. and Z.E.N. Zip Closures. The ultimate high-performance cold water wetsuit. Built with ultra gooey TechnoButter 3 Neoprene and ultra-minimal seam styling offers unrestricted mobility, enhanced durability and incredible fit. The Psycho One will raise your performance level to new heights.

Unsure which size is best for you, use our helpful size guide.

Features

Technobutter 3 Neoprene

O’Neill’s exclusive new pre-stretched neoprene with featherlight, ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Built to last.

Single Fluid Seam Weld 

O’Neill’s exterior fluid seam weld is a revolutionary seam construction that utilises a non-chafing high-grade, silicone-based urethane applied in liquid form to outside of a glued and blindstitched seam completely blocking out water without restricting flexibility.

 

Patented Z.E.N. Zip Entry with Drainhole

O’Neill’s innovative patented Z.E.N. Zip Entry system is the most imitated entry/closure system in the world. This free floating exterior mini zip allows for a zipperless feel and stops water from entering the wetsuit. (U.S. Patent #5,898,934). Pullover internal seal that blocks out water for maximum performance. Water that penetrates the Z.E.N. Collar or Super short zip is blocked by the Barrier-2 and forced out the drain hole.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight – 2020 O’Neill Psycho One 4/3 Back Zip will allows keep you dry.

wetsuit

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

Sidewinder S-Curve seams.

wetsuit

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

wetsuit

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

O’Neill Psycho One 5/4 Chest Zip 2021 Wetsuit

2021 O’Neill Psycho One 5/4 Chest Zip Wetsuit

Free Wetsuit Shampoo!

The 2021 O’Neill Psycho One 5/4 Chest Zip Wetsuit minimal seam madness is now available in F.U.Z.E. and Z.E.N. Zip Closures. The ultimate high-performance cold water wetsuit. Built with ultra gooey TechnoButter 3 Neoprene and ultra-minimal seam styling offers unrestricted mobility, enhanced durability and incredible fit. The Psycho One will raise your performance level to new heights.

Unsure on your size, use our helpful size guide.

Features

Technobutter 3 Neoprene

O’Neill’s exclusive new pre-stretched neoprene with featherlight, ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Built to last.

Single Fluid Seam Weld

O’NEILL’S EXTERIOR FLUID SEAM WELD is a revolutionary seam construction that utilises a non-chafing high-grade, silicone-based urethane applied in liquid form to outside of a glued and blindstitched seam completely blocking out water without restricting flexibility.

O’Neill Psycho One 5/4 Chest Zip F.U.Z.E. Entry System

O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. Using the same free floating zipper technology as our patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility within your suit.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

Strategic Seamless Paddle Zones

An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates wetsuit rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

Sidewinder S-Curve seams.

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. The O’Neill Psycho One 5/4 Chest Zip Wetsuit knee pad is flexible with a unique design, utilising an extended knee pad for added durability.

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

O’Neill Psycho One 5/4 Back Zip 2021

2021 O’Neill Psycho One 5/4 Back Zip

FREE WETSUIT SHAMPOO!

The 2021 O’Neill Psycho One 5/4 Back Zip minimal seam madness is now available in F.U.Z.E. and Z.E.N. Zip Closures. The ultimate high-performance cold water wetsuit. Built with ultra gooey TechnoButter 3 Neoprene and ultra-minimal seam styling offers unrestricted mobility, enhanced durability and incredible fit. The Psycho One will raise your performance level to new heights.

Unsure of your size, check out our helpful Size Guide.

Features

Technobutter 3 Neoprene

O’Neill’s exclusive new pre-stretched neoprene with featherlight, ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Built to last.

Single Fluid Seam Weld

O’neill’s exterior fluid seam weld is a revolutionary seam construction that utilises a non-chafing high-grade, silicone-based urethane applied in liquid form to outside of a glued and blindstitched seam completely blocking out water without restricting flexibility.

 

Patented Z.E.N. Zip Entry with Drainhole

O’Neill’s innovative patented Z.E.N. Zip Entry system is the most imitated entry/closure system in the world. This free floating exterior mini zip allows for a zipperless feel and stops water from entering the wetsuit. (U.S. Patent #5,898,934). Pullover internal seal that blocks out water for maximum performance. Water that penetrates the Z.E.N. Collar or Super short zip is blocked by the Barrier-2 and forced out the drain hole.

Double Superseal Neck

A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustability, and a secure lock down. Fully adjustable and watertight.

wetsuit

Strategic Seamless Paddle Zones

2020 O’Neill Psycho One 5/4 Back Zip has an ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

Sidewinder S-Curve Seams

Sidewinder S-Curve seams.

wetsuit

Krypto Knee Pads

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilises and extended knee pad for added durability.

wetsuit

External Key Pocket with Loop

Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.

The 2021 O’Neill Psycho One 5/4 Back Zip – perfect for those colder winter months.