Men's wetsuit for cooler sessions
O'Neill Mens Epic 5/4 Chest Zip Full is a men's neoprene wetsuit designed for regular use in cooler conditions. It incorporates several features found in O'Neill's higher-end wetsuit ranges while maintaining a practical and durable construction.
The suit is now fully double lined, increasing durability and overall performance during regular use.
UltraFlex and freedom of movement
The suit is built with UltraFlex, a flexible material designed to support unrestricted movement in the water.
Strategic Seamless Paddle Zones reduce seam placement in areas where the arms move most, helping minimize restriction during paddling and other dynamic upper-body movements.
F.U.Z.E. Closure
The F.U.Z.E. Closure (Front Upper Zip Entry) uses a front-entry zipper positioned across the upper section of the wetsuit.
This design avoids a long back zipper and helps maintain greater flexibility through the upper body.
Double Super Seal Neck
The Double Super Seal Neck creates additional sealing around the neck to help reduce water entry.
Combined with the Glued and Blindstitched Seams, it helps limit water exchange during the session.
Glued and Blindstitched Seams
The panels are joined using Glued and Blindstitched Seams. The seams are glued and stitched without the needle passing completely through the material.
This construction helps reduce water penetration through the panel connections.
Reinforcement and practical details
The knees are protected with Krypto Knee Padz, reinforcing an area exposed to frequent wear.
Hand-Cuff Stitch Sleeve Anchor reinforces the sleeve ends, while the External Key Pocket with Loop provides a secure place for a key.
Features

F.U.Z.E. Closure - Chest Zip
The Front Upper Zip Entry uses a freely sliding zip slider and a panel with drainage holes to ensure dryness and freedom of movement

Flatlock Stitched Breathable Seams
A strong flat stitch that works by overlapping the neoprene panels and sewing them together, providing comfort, breathability and strength. Not intended for freezing conditions/ Flatlock stitch is mainly used for warm-water wetsuits

Double Super Seal Neck
Fully adjustable glideskin seal. Comfortable and waterlight

Key Pocket
A key pocket created for your comfort. It means you won't have to worry about what to do with them

Krypto Knee Padz
Ergonomic knee protection. High-strength, abrasion-resistant material on knees for added protection

Ultraflex
High-performance, super-stretch neoprene with a durable outer shell that resists stretching and Velcro hooking. In addition, it is soft and provides a sense of flexibility and freedom of movement

Drain Holes
Strategically placed holes ensure that water drains away quickly from the inside of the wetsuit

FluidFlex Firewall™
Warmer, wind-resistant fabric with internal water-wicking layer
Suggested wetsuit temperature chart

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