The Psycho Tech with Technobutter 3 and added heat-generating Technobutter Firewall includes the hi-tech features you need to stay warm and toasty in any condition.

• F.U.Z.E. Front Upper Zip Entry (chest) uses the same technology as our Patented Z.E.N. Zip entry with drain holes to keep you dry and feeling loose
• O’Neill’s exclusive Technobutter 3, maximum strength, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate warmth and comfort. Built to last
• TB-Air Firewall, the most advanced insulate neoprene available. Trapped air technology with quick-dry properties. Psychotically warm
• Fluid Seam Weld, 8mm silicone-based urethane sealed exterior with a triple glued and blind stitched interior. Watertight, durable and ultra flexible seam
• F.U.Z.E 360° Barrier with Drian Holes
• Double Seal Collar
• Arms/Shoulders/Shins/Calfs: Technobutter 3
• Chest/Back: Technobutter Firewall Smoothskin
• Thigh/Butt: Technobutter Firewall
• Red Zone water resistant zipper