Tifosi eyewear tyrant 20 polarfoto sunglasseslightweight and flexible tyrant 20 sunglasses provide effective protection from harmful uva and uvb light rays polarised lenses reduce glare and increase clarity whilst lens vents help to prevent fogging and overheating hydrophillic rubber ear and nosepieces provide an excellent non slip fit features grillamid tr 90 construction means a highly flexible frame 100 protection from harmful uva and uvb rays adjustable earpieces for a customised f