Pearl iZUMi Men's Elite Road II Road Cycling Shoe 100% Synthetic leather Synthetic sole ELITE 1:1 Power Plate: ELITE Grade Uni-Directional Carbon for ultra-light stiffness 1:1 Anatomic Buckle Closure ELITE 1:1 Heel Cup: with synthetic leather lining and external Nylon Power Band for maximum heel hold and power transfer ELITE Insole with dual density EVA for superior longitudinal and transverse arch support Pearl Izumi one-piece upper provides a second skin fit, minimum weight and maximum comfort