Pearl iZUMi Men&#39;s Elite MTB II Cycling Shoe,Black/Silver,41.5 D EU / US Men&#39;s 8-8.5 M,Pearl iZUMi,Elite MTB II" /> 100% Synthetic leather Synthetic sole ELITE MTB 1:1 Power Plate: ELITE Grade Uni-Directional Carbon for ultra-light weight 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 with laser technology provides a second skin fit, minimum weight and maximum comfort Molded TPU Toe Cap and high traction Rubthane lug tips deliver off-road durability and traction