? Hyperlight XC sole made of 100% unidirectional carbon with a stiffness index of 14.0 for top power transfer ? 28% more abrasion resistant than TPU, the Michelin rubber inserts with dual-layer compound technology provide excellent grip with minimum weight ? Made with Xframe? patented construction and ultralight next generation materials that are only 0.5 mm thick, the upper transfers every watt of power and provides the snuggest, even fit with no pressure points ? Highly abrasion-resistant rubber reinforcements ensure 360? protection along the entire upper ? SLW2 dial, the only one with step-by-step and full release in a single button ? Integrated heel system containing directional fibre prevents any slipping ? Includes two footbeds with a stiffened dual density design: Pro Regular Fit and Pro Slim Fit which features an extra 2 mm toe insert for narrow feet ? Ultralight at just 330 g!