DESIGNED TO KEEP RUNNING, FEARLESSLY. The Nike React Infinity Run Flyknit is designed to help reduce injury and keep you on the run. More foam and improved upper details provide a secure and cushioned feel. Lace up and feel the potential as you hit the road. A Lightweight Fit An all-new version of Flyknit is stronger and more durable than previous versions. Lightweight and flexible, it features 3 distinct layers to help keep your foot secure. A Stable Feel Higher foam stack heights provide a softer feel. A wider shape provides a more stable ride, helping release energy with every step. A Smooth Ride The shape of the Nike React foam midsole provides support for the 3 phases of a runner's stride. It helps create flexibility at toe-off, a smooth ride at mid-stance and cushioning at contact. More Benefits Less material in the shoe means you're closer to the foam, creating a softer, more responsive experience. Increased rubber at the outsole helps deliver traction and durability. Product Details Weight: 10.27oz (Men's size 10) Offset: 9mm (Forefoot: 24mm, Heel: 33mm) Not intended for use as Personal Protective Equipment (PPE) Testing In testing*, the Nike React Infinity Run reduced injuries by 52% compared to the Nike Air Zoom Structure 22. *The Nike React Infinity Run reduced running injuries by 52% compared to the Nike Air Zoom Structure 22 in a study of 226 men and women during a 12 week run training program (injury = missing 3 or more consecutive runs due to running related pain). Our study found that 30.3% of Nike Air Zoom Structure 22 runners experienced an injury but only 14.5% of Nike React Infinity Run runners experienced an injury. Style: CD4371; Color: Black/Dark Grey/White; Size: 13; Gender: Male; Age Group: Adult | Nike React Infinity Run Flyknit Men's Running Shoes in Black, Size: 13 | CD4371-002