The upper is made of engineered mesh, which helps your feet feel secure, yet friction free. The contoured fit is breathable and lightweight as well.<br /><b>Ample Support</b><br />Extra high stack heights offer ample soft cushioning and reliable stability, specifically when your feet repeatedly pound hard, unforgiving surfaces.<br /><b>Comfort Everywhere</b><br />We topped off this comfort hog with extra cushioning in the heel and soft touch points in the tongue and collar.<br />Engineered mesh in the toe area provides extra durability in a high-wear area<br />The outsole is made of rubber Nike Grind for great grip on the road.<br />