This is the Aqua Lung Reveal X1 Single Lens Scuba Diving Snorkeling MaskFeatures: Universal Advanced Silicone Skirt (UASS). After years of research and testing, an innovative wrap-around geometry has been designed for an excellent fit for a wide range of face shapes. A new grade of crystal-clear silicone is used to create a super soft and comfortable fit Advanced Fit Technology (AFT) enhances the sealing features of the silicone skirt, improving fit, comfort and feel The Spherical Silicone Head Band Strap is an innovative design for the silicone strap, in the shape of a sphere to perfectly and comfortably fit the diver's head and keep the strap securely and comfortably in place Quick Fit Buckles. The one-touch button release allows for easy adjustment for the best fit, even while wearing thick gloves. The buckles are attached directly to the silicone skirt in order to provide stability on the face HI-VIS technology molds the frame of the Reveal from two bright yellow and orange materials for increased visibility under water The single-lens version of the Reveal features an innovative construction system that makes it the lightest single lens mask (non-frameless) on the market The Reveal's innovative features make this dive mask our most comfortable and best fitting mask. Created after years of research and testing, the Reveal is a premium diving mask that delivers ultra-comfort and a perfect fit thanks to both a super soft, top quality crystal-clear silicone and an ergonomic skirt profile. The new buckles, attached directly to the silicone skirt, feature a single quick-button release system and the mask is equipped with an innovative spherical silicone head band strap-all to help the diver create the perfect leak-free fit. The large operating button is easily activated, even with thick gloves. "