Patent ID: 7950168
Filing Date: 2011-05-31
Classification: A43B

Abstract:
1. A shoe comprising: an upper; a sole secured to said upper, said sole including a sole component and a cushion insert interfitted with said sole component, said sole component having an interface surface, said cushion insert having an interface surface interfacing with said sole component interface surface, said cushion insert interface surface and said sole component interface surface each having a general extent that is substantially parallel to a general extent of a bottom surface of said sole, said cushion insert interface surface having variations in shape toward and away from the general extent of the cushion insert interface surface, said cushion insert being rotatable in a plane about an axis extending generally perpendicular to the general extent of the bottom surface of the sole between at least first and second orientations, said variations in shape providing said sole with said first cushioning characteristics when in said first orientation, said variations in shape providing said sole with said second cushioning characteristics different from said first cushioning characteristics when in said second orientation, whereby said sole is readily adjustable between said first cushioning characteristics and said second cushioning characteristics by rotational movement of said insert with respect to said sole component.