Designed for fun, the Flex Runner 4 is very easy to put on. Its sock-like fit is flexible, with st...Designed for fun, the Flex Runner 4 is very easy to put on. Its sock-like fit is flexible, with stretchy straps for optimal support. Flexible grooves on the outsole allow the foot to move naturally. Ideal for taking first steps.
Designed for fun, the Flex Runner 4 is very easy to put on. Its sock-like fit is flexible, with stretchy straps for optimal support. Flexible grooves on the outsole allow the foot to move naturally. Ideal for taking first steps.