Motorcycle Blue Blocker HD Sunglasses with Bifocals 2.50 for Men and Women. Z87.1 Safety Lenses, Hard Case and Sunglass String. Impact Resistant ANSI Z87.1 Polycarbonate safety lens with scratch resistant 100% UV 400 Rated with Anti-Glare Coat Matt black flex semi-rimless frame Medium to Large heads, and most Extra Large heads. Fits Lower Nose Bridge Faces Temple to Temple 143mm, Lens Height 44mm, Nose Bridge 18mm, Temple Length 127mm