NIKE DOWNSHIFTER 13"Nike Downshifter 13 Men's Road Running Shoes Whether youre starting your running journey or an expert eager to switch up your pace, the Downshifter 13 is down for the ride. With a revamped upper and cushion and durability, it helps you find that extra gear or take that first stride toward chasing down your goals. Made with Nike Grind The outsole is made from at least 15% Nike Grind material, made from scraps from the footwear manufacturing process.