NIKE, Inc.
ARTICLE OF FOOTWEAR WITH HEEL CUSHIONING UNIT AND SIDE WITH STEPPED RIDGES

Abstract:

An article of footwear has a sole structure including a heel cushioning unit. The heel cushioning unit has a top portion, a bottom portion, a body portion connecting the top portion to the bottom portion, medial support fins in a medial side recess at a medial side of the heel cushioning unit and lateral support fins in a lateral side recess at a lateral side of the heel cushioning unit. Both the medial support fins and the lateral support fins extend transversely outward from the body portion and extend from the top portion to the bottom portion. The heel cushioning unit defines a through hole extending from the medial side to the lateral side and disposed rearward of the medial support fins and the lateral support fins. The article of footwear has an outsole with arch portions defining stepped ridges extending lengthwise in a fore-aft direction of the sole structure.