The updated Air Zoom unit in the heel and forefoot provides cushioning where you need it. Unit in the forefoot is larger in size, giving your foot more engagement with the cushioning for a better underfoot sensation. Mesh details throughout the upper helps keep the air flowing with every step. Synthetic yarns keep things lightweight, while still providing a secure feel. More foam means higher stack heights for a springier feel. SHOE CONSTRUCTION Mesh, synthetic upper & lining Foam midsole Rubber outsole SHOE DETAILS Round toe Lace-up closure Padded footbed Like new. In box. Excellent condition! Size 12