O’Neill Psycho Tech 4/3+ CZ Wetsuit 2026

SKU: 5505

THICKNESS: 4/3+mm

NEOPRENE TYPE
Recycled Oyster Shells and Eco Carbon Black Infused Neoprene, TechnoButter 4X

SEAM TYPE
Stitchless Exterior Fluid Seam Weld Technology

The TB4 Firewall technology radiates throughout with TB4 Duraskin Air Firewall in the chest and back to shield against the cold while retaining and recirculating your body heat. Designed to keep you in the water longer, toasty, and stoked..

TECHNICAL FEATURES

TechnoButter4 Duraskin Air Firewall (Chest/ Back)
TB4 Air Firewall paired with Duraskin features a recycled graphene interior with wind-shielding and a fully water-repellent smooth skin exterior that is more durable and warmer than before.

TechnoButter4 Firewall (Thigh/ Butt/ Shins/ Calf)
TB4 Firewall utilises recycled graphene fibres at a thicker pile. As your body heat warms the graphene fibres, they return heat back into your body.

TechnoButter4 (Arms/ Shoulders)
TB4, our award-winning wetsuit technology, introduces recycled yarns infused with graphene for increased flexibility and heat retention.

TechnoButter4 X (Entry)

Stitchless Exterior Fluid Seam Weld Technology with Interior Recycled TechnoButterX Tape

360 degree Barrier With Drainholes and Anti-Flush Barrier (F.U.Z.E.)

Super Seal Cuffs with Plasma Wrist and Ankle Seals

Aqua Alpha Solvent Free Neoprene Lamination

PLUS (+) = 0.5mm Extra thickness for even more warmth

Krypto Knee Padz
Egronomic knee protection.

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