The Viper is a revolutionary spearfishing mask created for the most demanding freedivers and spearfishermen! With innovative technical features and a surprisingly unique and highly sought-after design. The Viper spearfishing mask has a reduced volume between lens and eye. The anatomical skirt has no internal border and allows long apnea dives in maximum comfort. The new silicone reduces fogging effect, and the strap has a simple and immediate ergonomic fastening system.