My Pit Vipers are the only pair of sunglasses I own that can handle all of the above, and then some. A review on Pit Viper sunglasses for the backcountry. Powder aims to feature only the best products ...

Cryptic green pit vipers have “long” and “thin” bodies, reaching about 24 inches in length, the study said. Their “triangular” heads have “large” eyes and a “flattened” snout.