FLEX RUNNER 4 (TD) Sale the Max Air unit delivers

the Max Air unit delivers lightweight cushioning with every step

Encased elastic waistband with internal drawcord

More Details Fold-over collar

Hair-safe hook-and-loop fastener strap at the back

Rubber tread in key areas gives you durable traction

FLEX RUNNER 4 (TD) Sale the Max Air unit deliversNike Flex Runner 4 Baby Toddler Shoes Designed for getting into fun fast, the Flex Runner 4 is easy to pull on. Its bootie like design is flexible with stretchy straps that secure kids' fit. Flex grooves in the outsole allow little feet to move naturally, helping kiddos find their footing. What's New You spoke and we listened. For the Flex Runner 4, we updated the fit of the midfoot strap and the collar to help make these easy to slip on and