Engineered to deliver maximum protection in a variety of situations, Bollé Safety SENTINEL Ballistic Sunglasses are STANAG 2920, EN166, EN170 and EN172 certified. These tactical sunglasses have a durable polycarbonate frame with an adjustable non-slip bridge that stays locked in place even in humid environments. Ballistic polycarbonate lenses wraparound the face to provide distortion free peripheral protection and a wide visual field. With 99.9% protection from harmful UV radiation, these ballistic sunglasses are ideal for tactical, military, law enforcement, shooting sports, and more.