Originally designed for athletes undertaking ultra-distance races in harsh conditions, the XT-4 receives an updated construction featuring a single layer mesh and TPU protective coating. Alongside the Quickpull lacing system, full-length Agile Chassis™ Skeleton known for delivering great stability over any distance and lugged outer-sole, this technical sneaker is the ideal addition for your all conditions rotation. - Low top silhouette - Quickpull lacing system - Mesh upper with TPU coating - Mesh and textile lining - Full-length Agile Chassis™ Skeleton midsole- Mud CONTAGRIP® sole- Rubber outersole Materials:Upper: Mesh. Outsole: Rubber. Sizing:Item fits true to size and is in men's UK sizing.