Explorer sole with a calibrated stiffness midsole combines optimal power transfer in the pedal area with an ideally flexible medial zone so it also feels great when walking. 28% more abrasion resistant than TPU, the Michelin rubber tread provides excellent grip on all surfaces. Extremely comfortable 3D mesh upper coated with a highly wear-resistant protective film with strategically placed impact-resistant reinforcements SLW3 dial, the only dial with step-by-step and full release in a single button plus 2 asymmetrical straps Integrated heel system ensures efficient heel retention.