Pearl iZUMi Men's All-Road Cycling Shoe Synthetic Synthetic sole Please use the vendor size chart to determine the EU to US size conversion. Please be aware that there may be some inconsistencies in the US sizing conversion indicated in the shoe tongue label--the EU size is accurate, but the US conversion may not be.^SELECT 1:1 Power Plate: SELECT grade nylon and composite fiber plate for lightweight stiffness and durability^1:1 Anatomic Closure: follows the natural anatomic shape of the foot to eliminate hot spots and remove pressure from your instep^SELECT Heel Cup: with integrated Molded Power Band for benchmark heel hold and power transfer^Compatible with SPD and other tubal cleat designs^Fall/Winter 2012