Oakley Men's O2 XL Snow Goggles, Large lens with streamlined frame geometry that expands peripheral view in every direction Flexible O Matter chassis conforms to your face while a moisture-wicking triple-layer of polar fleece foam provides all-day comfort Discreet frame notches at temples provide compatibility with most Rx eyewear, and moto-style strap attachments provide helmet compatibility A dual-vented lens with F2 anti-fog coating provides fog elimination and keeps vision clear High Definition Optics (HDO), and 100% protection againstUVA,UVB,UVCand harmful blue light