Oakley L-Frame MX GogglesWhen you're pounding through the rhythm section and the track turns to fuzz, it's because your contact lens has bailed. Oakley designed the MX L Frame Goggles to fit over your prescription glasses so you can leave the contacts in their case. The comfortably flexible O Matter frame is fitted with a non-slip silicone treated strap. These goggles are fully compatible with the ATFM half mask and the Oakley standard tearoff system (sold separately).Features: Flexible O Matter chassis Secure and stable fit via silicon lining on inside of strap Reduced glare via textured interior surface Scratch resistance and optical clarity of Lexan lens material Fog reduction of lens with F-2 Series anti-fog treatment