The Shimano RP4 SPD Shoes are a high performance road shoe built for endurance events, made with a high-density syntetic leather with perforation improves fit and breathability.  Shimano RP4 SPD Shoes Features High-density synthetic leather with perforation improves fit and breathability BOA L6 dial for quick and precise adjustment with two offeset straps designed to relieves tension in the foot area Lightweight glass fibre reinforced sole for optimal power transfer Durable, wide heel pads provide walking stability SPD-SL cleat compatible