Cressi Skylight, Clear-White/Black, Clear Lens The Skylight mask uses mono-lens technology, and the lenses are manufactured with an internal antifog treatment, are scratch-resistant, shatterproof. The innovative shape of the Cressi Skylight frame delivers a maximized peripheral view. The silicone strap provides a secure and stable fit on the face for long periods in the water. Our patented easy-adjustable buckle has made it among the very best, for many years. The Skylight lenses in the mirrored and tinted version, block out the ultraviolet light, enabling the swimmer to make out shapes more clearly. The swim mask is manufactured in Italy by Cressi, brand pioneer in Scuba Diving, Snorkeling and Swimming equipment.