HIGH-PERFORMANCE XC MTB RACING SHOE WITH ADVANCED FIT AND PEDALING TECHNOLOGIESThe XC3 is a lightweight, durable, and easy to use clipless bike shoe. It's clipless setup will keep your foot locked on to your pedal for maximum pedaling efficiency. Keep your feet comfortable so you can pedal longer.SPD cleat compatibleIntegrated seamless midsole and upper construction set a new level of fit, stability and lightweight performanceOff-set center flap mounted BoaA(R) L6 dial creates a sleeker profile with quick adjustmentsSurround wrapping upper structure reduces overlap and provides a glove-like fitLow stack height midsole stabilizes foot and maximizes power transfer efficiencyPerforated synthetic leather composite upper enables superior fit and breathabilityLightweight glass fiber reinforced nylon sole for power transferClipless = your shoe is connected to your pedal. This is not a shoe for flat or platform pedals.