Brand New, Without a Box, Smoke Free! Nike Epic Phantom React Flyknit Shoes Electric Green Women’s 8.5. Soft to the touch, the Nike Epic Phantom React Flyknit is laces-free for a slip-on design that gets you up and out the door in no time. A snug, sock-like fit and breathable upper materials will make you feel as though the Phantom "disappears" as you run.