M Frame Heater is an Oakley M Frames sunglasses model. It costs $120 and you can order it online at the official company website - http://oakley.com/. It usually ships in 24 hours for the US market. This Oakley M Frame model allows you to maintain visual clarity in a world of performance-sinking distortion. It incorporates HIGH DEFINITION OPTICS® (HDO®) technology, lens geometry comes in five interchangeable lens shapes. The hinged frame of these sunglasses offers the comfort of a perfect three-point fit. In the domain of athletics, generic accessory has now become vital equipment. The light transmission is 18%, protection index is 2.