The bushnell h20 12x25 binoculars are 100 waterproof with o ring seals and nitrogen purged to ensure a reliable fog free performance should you experience awful weather the rubber armouring with soft textured pads gives you a grip in slippery situations multi coated optics and premium quality bak 4 prism glass maximise light transmission and image clarity the h20 series of binoculars from bushnell are the ultimate on the water viewing companions