The upper shoe made of mesh, TPU, and synthetic leather ensures a comfortable fit and low weight. The enclosing, minimally overlapping upper provides a precise fit. The integrated seamless midsole and upper construction offer unparalleled fit, stability, and lightness. The ULTREAD XC rubber outsole with a technical racing profile delivers the ultimate combination of low weight, high traction, reliable stability, and lasting pedal grip. The BOA® L6 dial closure on the instep allows for quick and comfortable adjustment for various foot shapes. The fiberglass-reinforced nylon midsole ensures good power transfer, while the flat midsole stabilizes the foot and guarantees maximum power transmission.