US Patent 7392990 Footwear having a foot retaining system

A boot which has a tongue structure which includes at least first and second cables attached to the sides of the tongue, a guide channel associated with each cable, and a cable tensioning device connected to the cables and which is movable between first and second positions to respectfully tighten and loosen the cables. The tongue structure acts to maintain the foot in the boot and in a preferred embodiment, the tongue includes an outer somewhat rigid shell and an inner elastic layer.