The Ninja 3/2mm Chest Zip Full Wetsuit by O'Neill features UltraFlex neoprene for freedom of movement, DL FluidFlex Firewall insulation, and internal Ultraflex taped seams. A water tight Double Super Seal neck closure, Krypto knee pads, and an external key pocket complete the design. As with all wetsuits, warranties are serviced by the manufacturer. Returns must be unused and in resalable condition.