Oakley OO7068-21 O2 MX Jet Sand with Dark Grey and Clear Unisex-Adult Goggles, Medium, Black FlexibleO Matterchassis conforms to your face comfortably, and a streamlinedframe design provides wide peripheral visibility Includes a scratch-resistant and impact-resistant Lexan lens with F2 anti-fog treatment, and a removable nose guard Triple-layer face foam fleece wicks away sweat Discreet frame Notches at temples to provide compatibility with most prescription eyewear, without compromising fit