Rockport Women&#39;s Park Ridge Pump,Fondente Suede,8.5 M US,Rockport,PARK RIDGE" /> 100% Leather and fabric Rubber sole Heel measures approximately 2 3/4" Adidas adiPRENE and adiPRENE+ footbed pads combine to create lightweight heel cushioning for maximum shock absorption and forefoot cushioning for resiliency adiPRENE is placed in the heel of Rockports footbeds. Its a mixture of EVA and rubber like material for maximum shock absorption that helps cushion upon impact adiPRENE+ lies beneath the forefoot in the footbed. Its a mixture of EVA and a special expanded plastic for rebound that helps you push off