Oneill Mens Wetsuit Psycho Tech Back Zip 4/3mm Fullsuit

O'Neill's Psycho Tech range focuses on ultimate warmth and durability with high-performance recycled materials and water-tight double-sealed stitchless seams. Sustainable 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.

Key Features:
Z.E.N. Zip Closure (Back Zip)
Redzone Water Resistant Zipper
Anti-Flush Barrier (Z.E.N. Zip)
Super Seal Cuffs with Plasma Wrist and Ankle Seals
Recycled Oyster Shells and Eco Carbon Black Infused Neoprene
Recycled Dope-Dyed Yarn Jersey
Aqua Alpha Solvent Free Neoprene Lamination
Key Pocket with Loop

Construction:
Stitchless Exterior Fluid Seam Weld Technology with Interior Recycled TBX Tape
Chest / Back: TB4 Duraskin Air Firewall
Thigh / Butt / Shins / Calf: TB4 Firewall
Arms / Shoulders: TechnoButter 4
Entry: TechnoButter 4X
PLUS (+) = 0.5mm Extra thickness for even more warmth