Louis Garneau Pro Race Shoe Charcoal, 43.0 - Men's New Carbon HM Air-Lite outsole:Ultralight and rigid Adjustable cleats: Cleats can be moved 7 mm back and forth 4.3 mm CARBON platform: Closer to the pedal for even more power Replaceable low-profile rear heel pad Microadjustable ratchet and velcro straps: Effective support