The Aqua Lung Sport Hydroair II Full Face Snorkeling Mask gives you a 180° panoramic view with UV and fog resistant lens. Breath underwater like you do on land, with the unique, dual chamber system that separates the inhaled fresh air from exhaled CO2 giving you a constant stream of fresh air. The adjustable fabric strap and soft silicone skirt means you can comfortably explore at your own pace and when you're ready to go, the snorkel top can be removed for compact travel to your vacation destination. Nothing comes between you and the water when you opt for the Aqua Lung Sport Hydroair II Full Face Snorkeling Mask.