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O'Neill Psycho Tech Back Zip Men's Full Wetsuit 4/3+
O'Neill Psycho Tech Back Zip Men's Full Wetsuit 4/3+
O'Neill Psycho Tech Back Zip Men's Full Wetsuit 4/3+
O'Neill Psycho Tech Back Zip Men's Full Wetsuit 4/3+
O'Neill Psycho Tech Back Zip Men's Full Wetsuit 4/3+
O'Neill Psycho Tech Back Zip Men's Full Wetsuit 4/3+
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O'Neill Psycho Tech Back Zip Men's Full Wetsuit 4/3+

Vendor
O'Neill
Regular price
$529.95
Sale price
$529.95
Regular price
Sold out
Unit price
per 

O'Neill's Techno Butter 4, Techno Butter 4x, and Techno Butter 4 Air Firewall combine in the unreal Psycho Tech chest zip for incredible warmth and freedom.

TB4x, thee ooiest, gooiest neoprene O'Neill has, makes up the arms, shoulders, and chest for non-restrictive paddling and taking-off. TB4 Air Firewall in the chest quickly traps your body's generated warmth, which is efficiently retained by graphene fibers in the suit's interior jersey. Those fibers radiate the heat throughout the suit, keeping you warmer, longer.   

O'Neill wetsuit size chart

Please read our wetsuit return policy here.

  • Thickness: 4.5/3.5mm
  • Entry: Back zip ZEN Zip w/anti-flush barrier
  • Neoprene: Limestone/TB4 Air Firewall
  • Seams: Triple glued and blind stitched
  • Lining: TB4/TB4X Graphene-fiber infused
  • Exterior: Dura Skin chest and back
  • Graphene fibers collect, retain, and distribute heat
  • Super Seal cuffs
  • Fluid Seam Weld
  • Dope-dyed yarn jersey