With the Flex Runner 4, you're always ready to race into fun. Its flexible, bootie-Like design makes it easy to pull on, while stretchy straps help secure your fit. Flex grooves in the outsole let your feet move naturally, helping you find your stride.Key FeaturesMixed material ...With the Flex Runner 4, you're always ready to race into fun.
Its flexible, bootie-Like design makes it easy to pull on, while stretchy straps help secure your fit. Flex grooves in the outsole let your feet move naturally, helping you find your stride.Key FeaturesMixed material upper adds durability and a premium feel. Soft foam helps cushion every step.
Flex grooves in the outsole add flexibility, helping every step feel natural. Multisurface traction works with sturdy foam that wraps around the heel to provide grip and stability when you shift directions. More DetailsPull tab on heel for easier on-And-Off.
Elastic straps run behind your heel and across the top of your foot to provide a snug, secure feel.