The OMS Single Lens Frameless Mask features a low volume single lens design and a soft matte black silicone skirt. With a very large viewing area this masks offers excellent "down" vision as well as a wide view of the surrounding environment. The single lens allows the maximum view possible with this design. The low volume and nose pocket make it easy to clear as well as pinch the nose for equalization. Tempered glass for safety. OMS logo is printed on lower right lens at the bottom.