Versatile Cycling Shoe: the RP1 is designed for both road and indoor cycling use Adaptable 5-Hole Outsole: compatible with both SPD and SPD-SL cleats and clip-in pedals Power Delivery: fiberglass-reinforced sole maximizes power transfer to your pedals Durable Construction: made from synthetic leather and mesh for long-lasting performance Simple and Secure Fit: slip-on style with a single strap closure for a snug fit