Ryders Eyewear SABER Cycling Sunglasses with Grey Photochromic Tint Changing Lenses, White High quality cycling glasses with polycarbonate lenses that block 100% of harmful UVA, UVB & UVC light Frames are TR90 thermoplastic for durability, flexibility, and lightness Hydrophilic anti-slip nose pads and Temple tips actually grip better when wet Photochromic lens changes tint as lighting conditions change, perfect for Variable trail conditions while mountain biking Small fit, 47-15% vlt