BOA® Fit System with two compact L6Z rotary closures for precise fit Renewed upper material layers and new appearance with inkjet printing Integrated seamless midsole and upper construction for unparalleled fit, stability, and lightness. The ULTREAD XC rubber outsole with technical racing profile offers the ultimate combination of low weight, high traction, reliable stability, and lasting pedal grip Enclosing, minimally overlapping upper provides a snug fit Exceptionally lightweight and stiff carbon-reinforced midsole for optimal power transfer