VIBRANT, SUMMER, COMFY, LIFESTYLE, SCHOOL, EVERYDAY, GYM, SPORT, ATHLETIC Knit fabric on the upper provides a lightweight fit and airy feel to help your feet stay cool. Max Air unit in the heel delivers lasting comfort while an extra-large Air window gives you bold style and a look at the cushioning that helps put a bounce in your step. Stretchy inner sleeve and bootie-like construction create a fit that feels personalized. Foam midsole feels soft and comfortable. Rubber on the outsole adds traction and durability.