Bolle Kickback Sunglasses Anti-Reflective (AR) Coating Meet ANSI Standards Carbo Glass Coating Ultra-lightweight Polycarbonate (PC) Lenses Virtually 100% UVA/UVB Protection, up to 400 nanometers Fit - Medium/Large UVA/UVB Protection - Bolle exceeds the industry standard with 100% 20.3 Poly carbonate Lenses - Sunglasses should protect you from more than just the sun. That's why our polycarbonate lenses are made from lightweight, premium-grade resin that's 20 times more impact resistant than glass-and three times lighter.