Pure silicone - fda regulation compliant. (rubber articles intended for repeated use / 21 cfr 177.2600) tusa sport uses pure silicone for the snorkel mouth-piece and mask skirt. clearvu tempered glass lenses provide superior clarity, color, transmission of light and safety over standard glass. 1-window design with wide field of view. ez strap and buckle system - allows masks to be quickly and easily adjusted with minimal effort. allowing for a precise fit and ease of removal when necessary. 3-d strap for unprecedented fit. five-position strap angle adjustor for micro-adjustment patented round edge skirt for increased comfort and better seal fits adult small to medium faces.
