Patent ID: 8172250

Claim:
A ski comprising: a structural unit comprising: at least one lower reinforcement; at least one upper reinforcement; an intermediate structure positioned between the upper reinforcement and the lower reinforcement; a gliding structure; a decorative and protective structure; the ski having a camber such that, with the gliding structure positioned on a planar surface, the ski rests on a shovel contact point and a tail contact point; the ski further comprising a tension structure to exert a tension force between a first anchoring positioned longitudinally forward of the shovel contact point and a second anchoring positioned longitudinally rearward of the shovel contact point; the tension structure being positioned, along a majority of a length of the tension structure, beneath the decorative and protective structure; the tension structure being positioned, along a majority of the length of the tension structure, above a neutral axis of the ski; the tension structure further comprising a tensioning device for positioning the second anchoring in at least two positions separated longitudinally from one another by a predetermined distance.