Whether you're just starting out running or are an expert looking for a change, the Downshifter 13 is ready for the ride. With a renewed upper, cushioning and resistance, it helps you find the extra gear or take the first step towards achieving your goals. Made with Nike Grind. The sole is made of at least 15% Nike Grind material derived from waste from the shoe production process. Breathable mesh. Soft and comfortable mesh provides a high level of breathability. Supportive and safe. An updated internal fit band provides support around the midfoot for support and security.