The Mares Vento Mask is a high quality silicone mask. Soft touch silicone buckles located on the skirt. Tempered glass lens make this mask suitable for scuba diving, free diving, Spearfishing and snorkeling. Low volume mask for greater visibility and fast & easy emptying of water, made out of the highest quality materials that provides a perfect vaccume seal!  Silicone snorkel with a purge function that helps deflect water away from tube. Easy attachment to mask strap.