Oakley shaun white signature series enduro sunglasses24k iridiummedium to bright light excellent all purpose lens with enhanced contrast for sunny conditionsspecificationslight transmission 13conditions medium to bright lightprotection index 3neutral contrast contrastclassic 60s rock roll style that goes from rebel to refinement with metal accents and carved lines on the earstems enduro is the newest oakley design collaboration with shaun white inspired by sport screen