The Seac Libera is a top-of-the-line full-face snorkeling mask that provides an unparalleled snorkeling experience. It features a wide panoramic screen for an unobstructed view of the underwater world, a patented breathing system that prevents fogging, and a dry top snorkel that eliminates water intake. The mask is available in three sizes to fit a wide range of faces and is made with comfortable, hypoallergenic silicone. The Seac Libera is a great choice for snorkelers who want the ultimate in comfort, visibility, and safety. Unparalleled underwater view with wide panoramic anti-fog screen Effortlessly breathe and avoid fogging with patented separate channel breathing system Stay dry and comfortable with dry top snorkel Easily clear mask of water with purge valves Experience ultimate comfort with high-quality soft hypoallergenic silicone skirt Secure comfortable and personalized fit with adjustable silicone straps and quick-release buckles Choose the perfect size for your face