The Acs Pro is based on the design of the Salomon model from the 2000s and comes with modern features that ensure optimal running comfort. The Agile Chassis system stabilizes the step and absorbs shock. Side openings offer optimal air circulation for a pleasant foot climate. Also included is a practical quick-lacing system, a structured outsole and loops in the heel area.Outer material: 100% textile, syntheticLining: 100% textileSole : 100% rubber