Nike Air Max 2021 Black/White-Iron Grey The Air-sole unit works in unison with a collapsible cage, delivering a brand new level of comfort whether you\'re walking 5 miles or to the corner store. Made from at least 20% recycled materials by weight, the upper includes engineered mesh, woven textile and no-sew skins for a sleek style that\'s durable, lightweight and airy. The foam midsole is split into 2 sections and cored out (like a honeycomb) for lightweight cushioning that lasts. Padded, low-cut collar looks sleek and feels great. Webbing details pair with floating eyestays for a fresh look that\'s quick to adjust. Overlays on the sides and heel add durability and depth. Webbing pull tabs Round laces Full-length rubber outsole