Pre/owned in GUC. Smoke Free HomeRunning shoes made easy! The Nike Flex Runner 2 is for the kid on the go who loves to play all day—from gym class to a sprint down the block. They're lace-free, meaning super quick to slip on and off.A stretchy bootie design makes it easy to slip your foot in with a snug and secure feel. A heel strap and leather on the sides stabilize your fit.The flexible foam sole is designed with deep grooves so every step and stride feels secure while running. The sole’s pattern also helps with multisurface traction.The back of the shoe features foam that creates a wing-like shape around the heel for extra stability when moving in different directions.Breathable fabric on the front of the shoe is lightweight and helps keep feet cool.Toe tip is reinforced with extra durability for toe draggers.Pull tabs on the heel and tongue help you take the shoe on and off.