Zol Black with Silver MTB Mountain Bike and Indoor Cycling Shoes 2-bolt SPD-style cleat pattern, compatible with all major MTB pedals (SPD, CRANK BROTHERS, TIME, SPEEDPLAY MTB) Rugged Synthetic Leather toe tip and side walls for protection and durability in trail environment. Zol 3 Velcro straps for comfort and performance while biking. Injection molded nylon outsole comfortable and performance oriented, with trail grip while off the bike. For MTB mountain bike pedals, commute SPD pedals and spinning pedals.