FRAMES AND LENSES Size: M (131mm) Lens Height: 57.9 mm Frame Width: 131.4 mm Arm Length: 137 mm CODE: OO9518-0836 Size: M (131mm) Fit for your burning drive to excel. Stunt Devil is the ultimate sports eyewear model, boosting head contact surface area to ensure otherworldly retention, grip, and comfort: game on! Read less ? HyperGrip Technology: Oakley HyperGrip utilizes flexible earsocks for maximum comfort and retention, offering a more secure fit while distributing weight evenly for a lightweight feel, even during the most intense activities ? Unobtainium Nosepad: Unobtanium is the first innovative material patented by Oakley to ensure maximum comfort by increasing grip with perspiration and keeping the frame in place without slipping ? O-Matter? Frame: Oakley?s injection molded thermoplastic frame material provides improved strength and flexibility over traditional acetate, andis built to withstand from shifting or deforming over time ? The model comes with 2 interchangeable nosepads for adaptable nose fit Features technology Impact Protection Oakley lenses are designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions. Clear to Black Iridium Photochromic Light Transmission: 23% Light Transmission (Activated):14% Light Conditions: Changing Conditions Base Lens Color: Clear Information notice: 0 Frame Frame color: Matte Grey Ink