the epic react debuts a new sole that replaces eva foam. it’s lighter and way springier. so soft and springy that the mid-sole is taller to absorb bumps and wider for support. the sole has been tested 17k miles by nike’s best runners and ready for prime time 22 february 2018.

nike labels the springiness “energy return” and seems self-explanatory.

the upper is the one-piece bootie from the flyknit racer with a refined modifications. very light, supportive and breathable.

designer hossein baghdadi, director of nike nxt footwear, is lead on react.