The Shimano M089 Bike Shoes deliver great versatility and performance on the trail. . . . . . Tough, stretch-resistant synthetic leather and mesh upper. Cross X-Strap is optimized for relieving tension on top of foot during push off motion. Super low-profile micro-adjust buckle securely holds foot; two position buckle accommodates more foot shapes. Single-density extra-cushion insole conforms to a variety of foot shapes and provides shock-absorbing cushioning. Volume+ last for a more accommodating toe box. Torbal torsional midsole allows natural rider "flow" motion during downhill. Expanded SPD cleat adjustment range to accommodate race- or trail-minded riding styles. Glass fiber composite polyamide midsole for power transfer. High-durability rubber outsole. Stiffness rated for comfort (5 out of 12). Best matched with these pedals: PD-M530, PD-M520. Weight/size 40: 1 lb. 8 oz. (692 g) .