National Geographic Tuna 1S, 2 Window Mask - Experience Series updated

National Geographic is synonyms with adventure, and this Tuna 1S, 2 Window Mask-Experience Series is your key to unlocking the adventures of the underwater world. The Tuna 1S mask has two CE Tempered lenses which give a great field of vision, with a lightweight Delrin Plastic Frame, and adjustable head strap for maximum comfort and fit. Mask has a feathered edge skirt for a great seal, with Ratchet Quick Lock strap adjustment.