Take your runs to the next level of excellence with the Nike Air Zoom Structure 25 RH. Engineered to keep you running comfortably for long distances, these sneakers come with a single-layer mesh for better breathability and durability. The most stable silhouette in Nike Running—these shoes feature new and improved foam on the midsole and wider midfoot support for peak performance, mile after mile. Shaped like a rocker, these high foam stacks deliver exceptional flexibility, cushioning, and a smooth ride from the start to the finish line. Powered by an Air Zoom unit in the forefoot, these runners offer a springy, responsive sensation every time you hit the ground. Designed for speed and precision, the Nike Air Zoom Structure 25 RH ensures you reach your best in record time. Nike Air Zoom Structure 25 RH features: Added structure and containment around the heel offer a more supportive fit. Wider forefoot complements a wider base and ensures a smooth ride. Soft materials on the inside of the heel, collar, and tongue allow an ultra-soft and comfortable feel. Reflective details enable low-light visibility. Molded heel increases durability. Durable rubber sole with grooves in the forefoot improves flexibility. Vertical grooves down the side enhance stability. Heel-to-toe drop: 10 mm. Men's size: 10. Weight: Approximately 11.4 oz/322 g.