Upper shoe covered with mesh fabric/TPU and synthetic leather in an optimal arrangement provides a comfortable fit and lightweight Encapsulating upper shoe with minimal overlap offers a precise fit Integrated seamless midsole and upper shoe construction for unparalleled fit, stability, and lightness. The ULTREAD XC rubber outsole with a technical racing profile offers the ultimate combination of low weight, high traction, reliable stability, and durable pedal grip BOA® L6 rotary closure on the instep for quick and comfortable fastening for various foot shapes Fiberglass-reinforced nylon midsole for good power transfer. Flat midsole stabilizes the foot and ensures maximum power transfer