O’Neill’s PsychoTech combines our exclusive TechnoButter 3 neoprene with TechnoButter Air Firewall insulation, Single Fluid Seam Weld and a F.U.Z.E. Closure Sytem. Lighter, warmer, more insulating and quick drying with improved ease of entry. PsychoTech is the latest advancement in cold water wetsuit technology from the leaders in innovation for over 60 years. 5/4mm Lumbar Seamless Design (LSD) Plasma wrist & ankle seals Integrated Hood Washing instruction: Rinse with cool water and drip dry out of direct sunlight TECHNOBUTTER 3 NEOPRENE O'Neill's exclusive new pre-stretched neoprene with featherlight, ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Built to last. SINGLE FLUID SEAM WELD O’NEILL’S EXTERIOR FLUID SEAM WELD is a revolutionary seam construction that utilizes a non-chafing high-grade, silicone-based urethane applied in liquid form to outside of a glued and blindstitched seam completely blocking out water without restricting flexibility. DOUBLE SUPERSEAL NECK A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustablility, and a secure lock down. Fully adjustable and watertight. STRATEGIC SEAMLESS PADDLE ZONES An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort. KRYPTO KNEE PADZ Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilizes and extended knee pad for added durability. SUPER SEAL CUFFS A bonded low profile cuff seal that keeps water out. The ultimate seal and durability. O'Neill's Super seal cuff is fused to create a very low profile at the cuff ending creating the best seal ever. EXTERNAL KEY POCKET WITH LOOP Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure. TECHNOBUTTER 2-AIR FIREWALL Available in (SL) Single lined & (DL) Double lined. Identical features to TechnoButter with the addition of air technology. TechnoButter Air technology is a complex 3D structure of neoprene and trapped air. Think double pane windows, more air = more warmth. The TechnoButter Firewall inner lining is 20% Lighter and has 30% less water absorption resulting in the warmest, lightest and fastest drying material available.