Five Ten Kestrel Lace Mountain Clipless Shoes - Women's Gray Five / Shock Cyan / Core BLK 10Designed to transfer power to the pedals as efficiently as possible. The upper is a Polyurethane film coated synthetic mesh for weatherproofing with snug lace and Velcro closures. Lace closure with hook and loop top strap Synthetic weather resistant micro perforated upper Perforated EVA tongue with mesh overlay Stealth C4 rubber outsole for unbeatable grip Durable lightweight EVA midsole Clipless style Stiff carbon infused nylon shank Regular fit