Patent ID: 7213828

Claim:
A ski, jumping ski or snowboard comprising a running surface lining, a top layer and several layers disposed between the running surface lining and the top layer, the running surface lining, the top layer and the several layers disposed therebetween forming a sandwich with a core disposed between the layers, and the running surface lining and the top layer having an external face facing away from the core, wherein the external face of the top layer has means providing a visually pleasing looking ski, jumping ski or snowboard with enhanced aerodynamics, said means comprising a structured surface with 200 to 1000 recesses per square decimeter, the structured surface extending over the entire external face, the recesses having a closed bottom and a depth smaller than the thickness of the running surface lining and the top layer, and circumferential rounded transition regions extending between the closed bottom and the external face, the rounded transition regions having arcuate contour which is convex relative to the external face.