I think I got about 2 summers of riding in these (before kids). Used and in great condition, but sitting in the basement in need of some action. Also throwing in a free pair of Descente toe covers! Manufacturer's description: 100% synthetic leather with synthetic sole. Grade nylon and composite fiber plate for lightweight stiffness and durability. Anatomic buckle closure. Heel cup: with integrated Molded Power Band for benchmark heel hold and power transfer. Insole provides excellent longitudinal and transverse arch support. Compatible with SPD and all Look pedal systems