Denim and gold. We're celebrating two iconic wardrobe staples with this AJ4 Retro. All the details you love are there too, from the eyestays to the visible air. Benefits * Synthetic leather and denim in the upper make for one durable shoe. * Nike Air technology absorbs impact for cushioning with every step. * The soft foam midsole helps provide lightweight cushioning. * The rubber outsole adds durable traction.