3.5MM XS Neoprene Wetsuit only used once. DuraTex reinforcements at knees and elbows. Zippered openings at arms and legs (YKK), for easy donning of the suit. Flowguards at arms and legs restricting water flow. PU Anti-Slip on sleeves for keeping your computer in place. WPADTM, docking station located on the right thigh for expandable pocket.