The Cristal Cycling Shoes have been specifically engineered for women looking to enhance their race results. Every element of the shoes has been chosen for optimum performance, with the reinforced nylon outsole providing toughness without extra weight and the synthetic leather and mesh upper construction delivering comfort, support and breathability. The innovative thermobonding technique makes the upper totally seamless, for improved aerodynamics, and eliminating painful pressure points – so you’ll have no distractions when you’re climbing hard or chasing down a break. The hook and loop fastener straps provide superb heel support. Experience the best of summer cycling without fear of overheating, thanks to Cool Stuff insoles and our patented multi-vent system on the outsole. The adjustable ratchet provides a secure fit and effective support for a variety of pedaling styles. The shoes are optimized for use with SPD-SL, SPD, TIME, LOOK and SPEEDPLAY cleat systems.