Sphera X Mask/Sphera X Mask; A compact mask popular among Freedivers, and the curved lenses ensure a 180° wide field of vision. The slender frame and small buckle reduce water resistance. Main Features: Improved frame construction. Improved fitting, Ultra-lightweight frame; Curved lenses provide 180° distortion-free panoramic vision; Free diver safe UVA / UVB protection; Anti-fog and scratch-resistant plexisol lens; Updated silicone skirt; Easy adjustable micro-buckle system; Large mask strap for improved fit; Includes zipper EVA case (*Not suitable for scuba diving Uses lenses for human use. You may feel drunk.) *Oil film dropping onto the lens surface may cause the anti-fog treatment to fall off. Color (Model Number): Black x Black (BK/BK 119450).