Designed for getting into fun fast, Nike®'s 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 Nike® listened. For the Flex Runner 4, they updated the fit of the midfoot strap and the collar to help make these easy to slip on and comfortable enough to wear all day. Pull on and Go Pull tabs on the heel and tongue work with a stretchy inner sleeve to help make these shoes easy to put on. Elastic straps run behind the heel and across the top of the foot to give kids a snug, secure feel. Play Anywhere 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 kids shift directions. Durable Comfort and Support Nike® reinforced the toe box and used durable materials throughout to help these kicks stand up to how kids play. Soft, springy foam in the midsole helps cushion their every step. Lace-up closure Imported Material Fabric