The Oakley Sutro Glasses were designed to accommodate cyclists and enhance their ride experience. A one lens design along with a wide profile enhances the field of vision which is crucial at high speeds. They also feature proper impact protection that holds up through high-velocity conditions. This version is equipped with the Prizm Rubylens which is great for mountain bike performance since they offer changing hues in varying shade or light. The Oakley Sutro Glasses have established themselves as a top choice for trail cyclists.