The Acs Pro sneakers by MM6 in collaboration with Salomon feature a SensiFit&trade upper made of a single layer of anti-debris mesh and a Quicklace&trade lacing system with a pocket under the tongue to store the lace. The removable insole, two rear pull tabs in ribbon, and All Terrain Contagrip® rubber sole complete this high-performance shoe. Size and Fit - Heel Height = 4 cm,