The Nike Air Huarache Ultra Shoe features a perforated foam and mesh upper and midsole-outsole combo for enhanced breathability and lightweight comfort. An elastic strap and rubber cage on the heel delivers a classic Huarache look. Benefits. Three-layer mesh and perforated foam upper for air flow. No-sew overlays on the toe and quarter for a sleek look. Injected unit midsole doubles as an outsole to reduce overall weight. Rubber pods are strategically placed for durability and traction.