O'Neill's Psycho Tech combines our exclusive TechnoButter 3 neoprene and added heat-generating TechnoButter Air-Firewall. The Psycho Tech is loaded with the hi-tech features you need to stay warm and toasty in any condition.

Product Features:

• TB4 Air Firewall
• TB4X
• Fluid Seam Weld
• Duraskin Chest/ Back Panels
• Chest Zip Entry: The O'Neill FUZE chest zip uses a free floating zipper panel and anti flush barrier with drain holes to keep you dry and feeling loose