The Pit Viper is more than just a pair of sunglasses, it is a protective sports goggle against various levels of hazards. They can withstand ultraviolet light, boiling water, impacts and falls. They protect the eyes of the extreme in the most difficult and extreme situations, including in extreme sports. Video attached. The goggles are designed based on military gear . They meet the Z87 safety level and offer 100% UV protection. The model is adjustable at three moving points: the temples in height and length, as well as the nose clip, which is a flexible accessory.