Rubber sole Combination upper with leather paneling, thermoplastic hardware, neoprene and elastane for an ultra-comfortable, flexible fit Dynamic Fit system wraps your midfoot and arch for a glove-like fit Phylon midsole provides lightweight cushioning Air-Sole units in the forefoot and heel for maximum impact protection Rubber outsole with Waffle pattern for traction and durability The Nike Air Huarache Ultra is made from an elastic, one-piece upper material. The outer material is seamless. The sole of the trainers is core in various areas, thus reducing the weight of the shoes. In the heel area is the air element, creating an excellent cushioning. The integrated Flywire fibres ensure optimum hold and flexibility. The midsole of the trainers is made of foam, which improves durability. In addition, there are flex notches in the outer sole.