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 resilience, it helps you find the extra gear or take the first step towards achieving your goals. Made with grind. The sole is made of at least 15% grind material derived from waste from the production process of shoes. Breathable mesh. Soft, comfortable mesh provides a high level of breathability. Supportive and safe. An updated internal fit band provides support around the midfoot for support and safety.