The Pit Viper The Merika 2000s Polarized Sunglasses are ultra-durable sunglasses for the ultra-cool. They're 100% UVA and UVB protective against the sun, and offer a snug fit that is adjustable at the earpiece length and lens angle. Step up to the plate, kick back with a bevvy, or fire off some pyrotechnics in unmatched style this Fourth of July.