Oakley O2 XL Sunglasses, Matte Black, Fire Iridium Flexible O Matter chassis conforms to your face comfortably, even in extreme cold Low-profile frame design provides increased visibility and improved helmet compatibility All-day comfort of triple-layer foam with moisture wicking polar fleece lining Lexan lens material provides 100% protection against ambient UVA, UVB, UVC and harmful blue light up to 400nm Fog elimination of dual-vented lens with F2 Anti-Fog coating