Aqua Lung Teknika MaskDesigned and built for rigors of technical diving, this dual lens mask offers rugged durability and superior strength. Its two piece shock resistant frame is assembled with AISI 304 stainless hardware that won't corrode. Features an excellent field of view and dark skirt for eliminating distracting light, which reduces eye fatigue during long dives. Features: Shock Absorbent Frame. Techno polymer frame stands up to abuse on the dive deck and in the