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Sick of endless flat spells, ankle high waves and crowded lineups? Time to make the switch to winter surfing. The O'Neill 5.5/4+ Psycho Tech Chest Zip Hooded Wetsuit is the ultimate cold water shred suit, with O'Neill's advanced Technobutter 3 neoprene offering unparalleled warmth with the comfort and flexibility of a spring suit. Reinforced seams and anti-flush barriers protect agains sudden cold water flushes, ensuring you stay warm and limber in frigid waves.
TechnoButter 3 [Arms, Shoulders, Shins, Calves] – O'Neills exclusive, maximum stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate warmth and comfort, built to last.
TechnoButter 3 Air-Firewall Smoothskin [Chest & Back] – The most advanced insulative neoprene available with even more stretch than before. Trapped air technology with quick dry and wind proof properties. Psychotically warm.
TechnoButter 3 Firewall [Thighs & Butt] – Light, insulating neoprene foam core with heat retaining thermal interior layer and quick dry properties. Stretchier than ever before.
F.U.Z.E. Chest Zip – Front Upper Zip Entry uses a free floating zipper panel and anti-flush barrier with drain holes to keep you dry and feeling loose.
40° - 47°
Stitch-less Seam Technology – Exterior Fluid Seam Weld and Interior TB3X Tape on either side of a stitch-less seam takes wetsuit construction to the next level for reliable durability and low profile comfort.
Redzone Water Resistant Zipper – Urethane coated offset zipper teeth interlock to stop leaks and keep water from entering the suit.
Fluid Seam Weld – 8mm silicone-based urethane sealed exterior with a triple glued and blind stitched interior. Watertight, durable, and ultra flexible seam.
Krypto Knee Padz
360° Barrier with Drain Holes
Super Seal Low Profile Cuffs
Wind-Proof Smoothskin
Plasma Wrist and Ankle Seals
Aqua Alpha Solvent Free Neoprene Lamination
PLUS (+) = 0.5mm Extra Thickness For Even More Warmth
Always rinse thoroughly inside and out with fresh water after every use. Hang to dry.
While the Wu-Tang Clan is out there protecting ya neck, O'Neill is doing the much less appreciated but no less important job of protecting your feet. Made from burly thick neoprene, the O'Neill 5mm Psycho Tech ST Wetsuit Boots keep you on your toes even in the coldest waters.
TechnoButter 3 Exterior – O'Neill's exclusive, maximum stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate warmth and comfort. Built to last.
TechnoButter Firewall Interior – Most insulative, lightest neoprene foam core ever, with heat retaining thermal interior layer and quick dry properties even more stretchier than before.
TB3X Taped Interior Seams
Fluid Welded Exterior Seams
Durable Outsole
Anatomical Fit
Arch Strap
Heel Pull
O'Ring Seal
Split-Toe for Improved Balance
Always rinse thoroughly inside and out with fresh water after every use. Hang to dry.