Louis Garneau Carbon HM X-Lite Ventilated Sole Pro Race Shoe Charcoal 41.5 Mens CARBON HM X-LITE VENTILATED SOLE  It is made from pure carbon fiber for unbeatable power transfer and weight savings. Carbon's stiffness means that the sole is extra thin, at just 4.3mm, so you have a more efficient pedaling platform that translates to less fatigue and faster times out on the road. BEST CLOSURE SYSTEMS - Two hook-and-loop straps secure the forefoot to prevent side-to-side slop and open away from the drivetrain for easy adjustment on the go, but it's the ratcheting instep strap that's the real star. In addition to ratcheting down for a tight, adjustable fit, the buckle can be moved laterally and vertically. TWO INTERCHANGEABLE FOOTBEDS - An Ice Fill Ergo Air Cool Stuff insoles keeps your feet cool in hot-weather and Ergo Air Hot Stuff insoles for getting after it in cooler temperatures. HRS-300 NYLON HEEL COUNTER WITH ANTI-SLIP SPANDEX LINING - At the heel, Garneau included a thin replaceable heel pad, which improves walking traction without interfering with pedaling. EVERYTHING YOU NEED AND THEN SOME - The interchangeable footbeds, hyper-adjustable closure, and powerful but comfortable design mean it will be perfect for 99% percent of your rides.