The Ninja series of wetsuits by O'Neill offers high end quality, exceptional durability, and lasting value. Ninja wetsuits feature UltraFlex neoprene, front upper zip entry, and water-tight double super seal neck. DL FluidFlex firewall insulation, internal Ultraflex taped seams, and krypto knee pads complete the design.As with all wetsuits, warranties are serviced by the manufacturer. Returns must be unused and in resalable condition.