The Duke Dry Full Face Mask is the ideal full face mask for snorkeling. Developed and manufactured by Cressi, it uses only top-quality materials and technologies. Explore the underwater world with natural, completely effortless breathing through your nose and mouth. The field of vision is 30% larger than that of conventional full face masks. The new current flow created by Cressi optimizes air circulation and prevents any fogging. The mask is equipped with a special safety valve for clearing water. The snorkel with the special Dry System prevents water from entering the tube. Size M/L.