Pearl iZUMi Women's Elite Road II 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: closure follows the natural anatomic shape of the foot to eliminate hot spots and remove pressure from your instep ELITE 1:1 Heel Cup: with synthetic leather lining and external Nylon Power Band for maximum heel hold and power transfer Pearl Izumi one-piece upper provides a second skin fit, minimum weight and maximum comfort