Rubber sole Style#: CW5637-600 Dual-density midsole uses an ultra-soft inner foam surrounded by a slightly firmer foam. This gives a smooth ride and stable feeling. The durable rubber outsole provides traction where you need it to help you stay focused on the miles ahead. A bright color palette draws inspiration from the desert skyline and blossoming hues of springtime. Overlay at the toe Designed with the everyday runner in mind, the Nike Renew Run keeps you moving with softer foam for a cushioned feel. It delivers secure support and durable traction for comfort on the go.