With the Flex Runner 4, your little runner is always ready to race into fun. A flexible, bootie-like design makes it easy to pull on, while stretchy straps help secure your fit. Flex grooves in the outsole let their feet move naturally, helping them find their stride. Benefits * We 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. * Flex grooves in the outsole add flexibility, helping every step feel natural. Product Details * Synthetic leather upper * Low-cut collar * Pull tab on tongue and heel