NeoSport Women's Jane 5/3mm Triathlon Wetsuit neoprene TRIATHLON WETSUIT: Designed for flexibility, comfort and buoyancy with speed skin neoprene and ultra soft coated skin material. SPEED: Supple, mid-calf leg opening reduces drag and improves kicking efficiency, and wider exit opening reduces heel snag for speedier transition times SUPERIOR DESIGN: Articulated arm openings enhance swimming efficiency and arms are made of nylon-laminated neoprene. ADVANCED TECHNOLOGY: 5 MM neoprene on chest panel creates ideal body position in water with reduced surface resistance; three-millimeter back panel permits optimum range of motion. NEOPRENE WETSUIT: Uses a premium ultra-light neoprene material to give a soft and comfortable fit.