Brand new, never worn & 100% Nike authentic guaranteed! No original box. Will ship in a secure box from a smoke-free home! Women's Sizes: 7, 7.5, 8 & 9 Colors: Wolf Grey / Hot Punch Lighter and stronger than the previous version, the Nike Air Zoom Structure 21 Women's Running Shoe provides the stability and support that made it a fan favorite. Softer, lightweight Flymesh material helps keep your feet cool while Nike Zoom Air cushioning in the forefoot gives a springy, responsive feel!