Psycho Tech 5/4+ BZ Full - Wetsuit
Black

The Psycho Tech 5/4mm Back Zip has your back when the conditions are downright brutal and you want a wetsuit that lets you surf as long as you can handle. Built for hardcore warmth and long-haul durability, the Psycho Tech series packs O’Neill’s top materials and stitchless tech to keep you toasty and protected in even the harshest winter line-ups.

Material:

TechnoButter4 Duraskin Air Firewall (chest/back)

TechnoButter4 Firewall (thighs, seat, shins, calves)

TechnoButter4 (arms/shoulders)

TechnoButter4X (entry)

Neoprene with recycled oyster shells and Eco Carbon Black

Features:

• TB4 Duraskin Air Firewall: Wind-shielding, fully water-repellent and lined with recycled graphene for max durability and warmth.
• TB4 Firewall: Thick, heat-retaining panels that actively recycle your body heat for extended sessions.
• TechnoButter4: Award-winning, super-flexible and heat-retentive material in the shoulders and arms.
• Stitchless Exterior Fluid Seam Weld Technology with interior recycled TBX tape: Seamless, watertight and ultra-comfortable construction.
• Redzone water-resistant back zipper: Adds an extra water barrier while ensuring easy entry and exit.
• Krypto Knee Padz: Ergonomic, robust knee protection for duck dives and long paddles.
• Hidden key pocket with loop for secure stashing.

With the Psycho Tech 5/4mm Back Zip, you’ll stay warm, dry and comfortable for session after session, no matter how gnarly the lineup gets. The perfect choice if you want ultimate warmth and tech without compromise.