Model : NIKE US861Popular Nike Air Huarache Run Premium Womens Shoes Wolf GreyThe Huarache Run Premium delivers a snug-fitting neoprene upper for comfort and support, and a large Air-Sole unit under the heel to cushion each stride. Neoprene upper and strategically placed overlays lock down the fit. Phylon midsole is lightweight and supports a smooth transition. Large Air-Sole unit under the heel helps reduce impact. Rubber outsole is durable and provides traction.