The Bushnell H2O Waterproof Roof Prism Binoculars are the ultimate on the water viewing companions. The H2O Waterproof Binoculars stay on board and in your hands with a soft texture grip. The H20 Waterproof Binoculars are O-ring sealed and nitrogen purged, providing stunning views are assured no matter how wet they get. Updated lightweight aluminum chassis allows for ease and comfort viewing in the field. And to maximize light transmission and clarity, fully multicoated optics and premium quality BaK-4 prism glass are included. From the streamside to the Gulf Stream, the world looks better through the Bushnell H2O.FeaturesWaterproof and fogproof constructionFully multicoated, all glass optics systemNon-slip aggressive texture for confident gripUpdated lightweight aluminum body construction All day comfort20 year lifetime Ironclad warranty