The XL edition offers a standard size frame with enhanced lens coverage, and every millimeter of the peripheral view is optimized with High Definition Opticsin a durable yet lightweight design that takes performance to the next level and brings style along for the ride.Lightweight O Matterframe material with ellipse metal icon accentsUnobtainiumearsocks and nosepads for increased comfort and performance8.75 base lens geometry with HDOAvailable with Prizmlenses to enhance color, contrast and detail for an optimized experiencePolarized and Iridiumlens options available Protective soft vault included