Extensively equipped, lightweight racing shoe designed for optimized comfort and maximum pedal efficiency. BOA closures provide millimeter-precise adjustments for a perfect fit. Lightning-fast, one-handed adjustment, secure fastening, and quick release. Mud and water-resistant and extremely lightweight. The racing-specific evolution of the SPD concept offers a seamless interface between shoe and pedal, ensuring more efficient power transfer under extreme pedal loads. Additionally, wide lugs provide greater stability while riding and walking. Upper material: synthetic leather and mesh. Weight per pair: 510 g. Size runs small. Fit: snug.