O'Neill 3/2mm Psycho Tech Back Zip Full Wetsuit Size:Medium Tall Elastic binding at the top

Elastic binding at the top resists wear and tear

MK25 Air balanced flow-through piston Chrome plated brass body Anti-freeze protection Low pressure (LP) ports: 5 High pressure (HP) ports: 2 Swivelling turret with LP ports INT 232bar DIN 300bar Externally adjustable intermediate pressure S600 Air balanced valve technology Precision molded carbon fiber and technopolymer housing Nitrox compatible up to 100% oxygen concentration Divers adjustable inhalation effort Divers adjustable VIVA (Venturi Initiated Vacuum Assist) Sturdy super-flow hose with kevlar lining for extra durability and flawless air delivery High comfort orthodontic mouthpiece High flow

Easy to use oral inflator/deflator

It can be used under an existing wetsuit for extra warmth or can completely replace your wetsuit in warmer waters

the HYDROS PRO is an incredible feat of SCUBAPRO engineering

O'Neill 3/2mm Psycho Tech Back Zip Full Wetsuit Size:Medium Tall Elastic binding at the topO'Neill's Psycho Tech combines our exclusive TechnoButter 3 and added heat generating TechnoButter Air Firewall. It's offered in a wide range of styles with the hi tech features you need to stay warm and toasty in any condition. FEATURES: Z. E. N. Zip Closure (Back Zip) Anti Flush Barrier Super Seal Low Profile Cuffs Stitch less Seam Technology Fluid Seam Weld Plasma Wrist and Ankle Seals Redzone Water Resistant Zipper Krypto Knee Padz Arms Shoulders