A ski, wherein the ski includes: a ski core; a ski coating which forms an underside of the ski; a lower flange which is arranged between the ski core and the ski coating; steel edges; and side walls; wherein the lower flange includes at least a front region and/or a rear region which is broader, in a direction transverse to a longitudinal axis of the ski, than a distance between the steel edges in the direction transverse to the longitudinal axis of the ski in the region.