Adjustable, military designed sunglasses with a 90´s flair. Strong enough to be shot at, sat on, shoved in pockets, run over and still maintain their sun and wind bucking ability. Breakthrough E-Spot™ and Turbo Adjustment™ technology guarantee a perfect fit. Demand respect and authority in The Original, the Pit Vipers that started it all.Care instructionsDO: Clean your Pit Viper Lenses with the Limpcloth™ (included with every pair of Pit Vipers) and hot mouth breath, or Snake Oil Lens Cleaner (sold separately).DO NOT: Clean your Pit Viper lenses with bleach, dish soap, household chemical cleaning products, salt water, sandpaper, sweat, or other bodily fluids, mysterious or other.