A combination of fused overlays, extra eyestays and strategically placed mesh capture the look of the original Nike Air Max 90 The mesh has a thin, flexible overlay that helps keep out water and makes it easy to clean your shoes. A foam midsole and Max Air unit in the heel cushions every step. An Integrated traction pattern gives you great grip in various conditions This Air Max 90 stays true to the original with a few updates made for golf, like Integrated traction and a thin overlay that helps keep out water.