Upper shoe covered with mesh fabric/TPU and synthetic leather in optimal distribution ensures a comfortable fit and low weight. Encompassing, minimally overlapping upper shoe grants a precise fit. Integrated seamless midsole and upper shoe construction for unparalleled fit, stability, and lightness. The ULTREAD XC rubber outsole with technical racing profile provides the ultimate combination of low weight, high traction, reliable stability, and durable pedal grip. BOA® L6 rotary closure on the instep allows for quick and comfortable fastening for a variety of foot shapes. Glass fiber reinforced nylon midsole for good power transfer. Flat midsole stabilizes the foot and ensures maximum power transmission.