Mares X-Vu Liquidskin Spearfishing Free Diving Quality Mask New double lens mask with LiquidSkin skirt. LiquidSkin technology allows to obtain great comfort, resistance and lightness Located between the lenses on the skirt, there-s an innovative system of dumping, an exclusive patent of Mares, which reduces the pressure of the frame on the face when freediving Reduced distance between lenses for better field of vision and lower internal volume On the skirt, the X-VU LiquidSkin assembles new buckles, designed to achieve the maximum ergonomy with the minimum encumbrance Double fastening for a quicker and more intuitive fit