Fizik M5 Donna Mountain Shoe 37.5 Black/WhiteThe Fizik M5 Donna Mountain Shoe has an upper composed of Microtex, Nylon Mesh, and Anti-scratch Leather. The Straps are Sail Cloth Resistant for longevity. The Nylon Carbon Reinforced Outsole allows your power to be directly transferred to the pedal as you ride. The Fizik Superlight Insole is engineered to cradle your feet for the ultimate experience in comfort while you ride. The Aluminum Buckles are sturdy and will last against the tests and trials of trail riding. Weighs only 289 grams! Available in Black.8058364005843