IST M9-C Saturn 2-Window Diving Snorkeling Mask (Black Silicone/ Green)

High high-grade silicone skirt seals securely without binding: no more annoying ring-around-the-eye socket! Unparalleled comfort and fit on average to wide facial profiles for all-day wear Dual tempered glass lenses provide an exceptionally wide field of view Wide, easily adjustable strap for a snug fit without excess pressure Prescription optical lenses available