These Kestrel BOA Mountain clipless bike shoes are built for intense pedaling. The BOA Fit System offers on-the-fly adjustments. A Stealth Marathon rubber outsole balances grip and durability. The impact-resistant toe box adds protection.Micro-adjustable dial-based BOA Fit System plus hook-and-loop strapsSynthetic upper with seamless overlaysNon-slip heel cupClipless shankImpact-resistant toe boxItem SpecificationsActivityCyclingCleat Bolt Pattern2-BoltClosureDialColorGray Six/Silver Pebble/Olive StrataDefined ColorGrayGender/AgeMen'sShoe Size (US)10 Five Ten Kestrel BOA Mountain Clipless Shoes - Men's, Gray Six/Silver Pebble/Olive Strata Mountain Shoes UPC: 196479128328