Our innovative Match System optimizes engagement for any MTB clip-in system, whether thats Crankbrothers or SPD. It comes with Match shim and Crankbrothers cleat pre-installed in a neutral position so they are ready to ride with Crankbrothers pedals right out of the box. Key Features: Outsole Match Box optimized for any MTB pedalsRamp for easy clip-in / out and mud clearancePre-installed Match Shim for Crankbrothers pedalsPre-installed cleat for Crankbrothers pedalsMC1 mid-friction compound for easy exitDirectional angled & spaced toe / heel lugs for traction while hikingRamped toe for walkabilityStiff shank for power transferCushioned EVA midsole for shock absorption Upper BOA® Fit System & strap for micro-adjustmentVentilated windows with perforated mesh material for breathabilityPadded tongue for protectionTPU reinforced areas for protection and abrasion resistanceHeel dots for grip and superior heel holdHidden eyelets for durability and clean design