Stylish, warm and versatile, the fast can be used in the widest range of temperate and cold waters. Durable double-lined neoprene, stands up well to compression at depth for maximum heat retention. Pre-shaped legs improve flexibility for easier kicking. a One-piece wetsuit in double lined neoprenea Ultraspan neoprene on arms and calvesa Pre-shaped legsa Ykk back zip with under zip lining and water-stop systema Anti-abrasion reinforcement on the kneesa Wrists and ankles with water-stop system / watertight seals (5mm & 7mm)