O'Neill Psycho Tech 4/3+mm Wetsuit - Back Zip Size:MT If you notice fraying of

If you notice fraying of fabric or straps

clip on the line and fly

LINING: BioFleece thermal neoprene

COLOR: assorted

Adjustable audio vents allow further flexibility to shut out the cold wind or open to improve hearing

O'Neill Psycho Tech 4/3+mm Wetsuit - Back Zip Size:MT If you notice fraying ofO'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. F. U. Z. E. Closure (Chest Zip) Redzone Water