The ACS Pro Trainers from Salomon are the original technical shoe with a functional upgrade. Crafted with a running-stabilising Agile ChassisTM system, with a breathable functionality that provides air circulation throughout intelligently placed openings on the shaft on the outer and inner edges. Article Fit & Features Material: Rubber / Synthetic Fit: Regular, true to size. QuicklaceTM Lacing System Weight: 397g Kurim structure ChassisTM System Product SKU: L47179900 Salomon ACS Pro Trainers - White/Vanilla Ice/Lunar Rock