The Shimano Beastmaster (Gasket) Sunglasses are a really comfortable pair of sunglasses. They are a wraparound style which fits snugly to your face. A removable soft foam gasket means that if you want the ultimate fit you can prevent water spay and the wind getting onto the inside of the lenses, perfect on those bright but breezy days.
Our all-purpose, full size BaK-4 porro prism for high magnification at a distance. BaK-4 prisms for bright, clear, crisp viewing Multi-coated optics for superior light transmission 100% waterproof: O-ring sealed and nitrogen purged for reliable, fog-free performance