ARTICLE OF FOOTWEAR

A sole structure for an article of footwear includes a cushioning element having a top surface and a bottom surface formed on an opposite side of the cushioning element from the top surface. An outsole is attached to the cushioning element, forms a first portion of a sidewall of the sole structure, and includes a first surface opposing the cushioning element and a second surface formed on an opposite side of the outsole than the first surface and defining a ground-engaging surface. The first surface includes a first portion spaced apart from the bottom surface of the cushioning element to define a heel pocket. A plurality of cushioning particles are disposed within the heel pocket and are visible through the first portion of the sidewall.