This is the Mares Essence Liquidskin Single Lens Scuba Diving Mask Features: Great comfort and ample field of vision Quick-adjusting buckles on the skirt Light, foldable, easy to store The Essence scuba mask is the maximum expression of LiquidSkin technology. Silicone and glass come together and blend to create a mask that is truly one of a kind. Light and foldable,thanks to the buckles on the skirt, it offers a broad field of vision. All the features are orchestrated by the exclusive design, a synthesis of technology and aesthetics.