The SH-IC100 (IC1) is an Indoor Cycling Specific Shoe: High performing shoe made especially to boost your indoor cycling workouts Versatile 5-Hole Outsole: Compatible with both SPD / 2-hole and SPD-SL / 3-hole cleats and clip-in pedals Efficient Power Transfer: Stiff sole and snug fit transfers your power straight to the pedals Firm and Comfortable Fit: Single strap crosses the mid part of your foot for a firm hold and adaptable arch support provides a customized fit Designed to Handle the Heat: Upper part of the shoe is made from breathable mesh for superior ventilation The IC100 is a breathable and comfortable shoe especially designed to boost your indoor cycling workouts. Made from durable mesh and with a cross strap for a firm and customized fit, the IC100 is compatible with all popular pedal systems.