Ryders Eyewear Binder Photochrome Sunglasses 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 Large fit, 15% vlt