The 1080v15 utilizes a brand-new midsole technology, Infinion, for long-lasting performance with enhanced cushioning and energy return; Molded contour details are an expressive, novel design that provides texture and visual depth; Received the Seal of Acceptance from the American Podiatric Medical Association (APMA); Rubber outsole; Cusion: Extra Soft; Support: Neutral; Heal/Toe Drop: 6mm; Weight: 252.8 grams (8.9 oz)