The Pit Viper The Exec Revlock adult sunglasses are equipped with HDPV polarized lenses that provide ultra-sharp clarity through carefully fine-tuned tints and coatings, and feature no-slip nose pads and ear socks to help keep eyewear securely in place. Shaken, stirred, or dropped off, the Revlock sunglasses stay classy under pressure. Pit Viper builds quality sunglasses designed for fearless adventurers. Step up to the plate to bring out the optimal blend of style and performance, without compromise.