BOA® L6Z rotary closure at the tensioning point with a protective shield on the lower BOA for quick and comfortable fixation of various foot shapes. Renewed upper material layers and a new appearance with inkjet printing. 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 lasting pedal grip. The enclosing, minimally overlapping upper shoe provides a precise fit. Carbon fiber reinforced nylon midsole for good power transfer. Flat midsole stabilizes the foot and ensures maximum power transfer.