Waterproof W50 is highly-recommended for temperate waters and is not really considered a tropical water suit. A seat that grips Polyurethane embossing in the back provides a non-slip grip and integrated abrasion protection. Arm anti-slip The anti-slip surface keeps the computer in place. Gender-specific styling Provides comfortable shapes for the female diver. Hi-quality YKK back zipper A #10 zipper with a Stainless Slider. Panels around the zipper are oversized and reinforced to keep the suit together for many years. Knee pads in ToughTex Very strong abrasion resistant ToughTex fabric on knees. Reinforced shoulders Critical abrasion area and anti-slip protection. UltraFlex neoprene High stretch nylon/spandex with UltraFlex neoprene makes the suit extremely comfortable and easy to donn and doff. WPADTM The Waterproof Personal Accessory Dock, is an artfully constructed docking station used for attaching our expandable pocket.