The Cressi® Liberty Perfect View Silicone Scuba Diving and Snorkeling Mask gives the diver a wide, unobstructed field of vision while snorkeling or scuba diving. It features 1 large lens to offer divers a phenomenal field of vision. The lens is made of tempered glass for safety. The skirt is made of hypoallergenic soft silicone, anatomically designed to ensure a perfect seal. The mask is equipped with easy-to-use buckles for immediate strap length adjustment. The mask has an easy-to-reach, 1-hand nose pocket for ear equalization, which can be utilized even when wearing thick gloves. The double feathered-edge silicone skirt works in concert with the split strap for an excellent seal on the face. The exclusive, painted, coated frame brings a cool tech design style. Single large lens; Tempered-glass lens; Hypoallergenic silicone skirt; Easy-adjust straps; 1-hand-adjustable nose pocket; Exclusive, painted, coated frame;