Michelin X-Crossbow sole with self-cleaning lugs and wider edges for excellent grip. The thermally welded layer construction with internal reinforcements offers maximum protection while minimizing thickness and weight. The soft textile loops for the laces reduce pressure points. Rubber reinforcement at the heel. Toe area with thermally welded TPU reinforcements. SLW3 closure system with a new wider additional strap: the only closure system with continuous adjustment that releases with a single button. The perforated upper provides good ventilation.