Cressi Duke is the evolution of the first full-face mask ever produced, called the Medusa, made in 1946.
Full-face mask for snorkeling
Designed with extremely high-quality materials and technology. You can explore the world underwater, breathing naturally through the nose and mouth with 0% effort. Its visual field is 30% larger than normal full face masks. The new air baffle completely eliminates fogging. It features special safety valves for purging water. The snorkel features a special dry system that keeps water out.