O'neill psycho Tech 5.5/4mm Chest zip - 2XL

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The Psycho Tech 5.5/4 with TechnoButter 3 and added heat-generating TechnoButter Air-Firewall includes the hi-tech features you need to stay warm and toasty in any condition. F.U.Z.E. Closure (Chest Zip), Red zone water resistant zipper, 360° barrier with drain holes, Super Seal Cuffs, Stitch-less Seam Technology, fluid seam weld, Arms/ Shoulders/ Shins/ Calf: TechnoButter 3, Chest / Back: TechnoButter 3 Air-Firewall Smooth skin, Thigh/ Butt: TechnoButter 3 Firewall, and Aqua Alpha Solvent Free Neoprene Lamination.

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.

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.

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 rashing. Flexible and unique design which utilizes minimal seam placement for comfort.

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

Super seal cuffs
A bonded low profile cuff seal that keeps water out. The ultimate seal and durability. O'Neill's Super seal cuff is fused to create a very low profile at the cuff ending creating the best seal ever.

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.