The Duke Dry full face mask is the ideal full face mask for snorkeling. Designed and manufactured by Cressi, only top quality materials and technologies are used. Discover the underwater world with natural, effortless breathing through your nose and mouth. The field of vision is 30% larger than that of traditional full face masks. The new flow pattern created by Cressi optimizes air circulation and prevents any fogging. The mask is equipped with a special safety valve to blow out water.The snorkel with the special Dry System prevents water from entering the tube. Available in sizes S/M and M/L.