The Nike Wmns Air Max 90 ‘Black Gum’ sneaker gets an update in a sleek . two-toned colorway. Released just three years after the Nike Air Max 1 debuted with the brand’s first visible air unit . the Air Max 90 arrived with an even bigger window and became an instant classic. This women's-exclusive version combines breathable textile and synthetic materials to create its low-top silhouette. The shoe and is finished with a foam midsole that includes responsive Max Air cushioning.