From running around the block to racing their friends, the Nike Flex Runner 2 makes everything easier for your kids. Featuring a flexible foam sole that is designed with grooves, these shoes keep your pre-schoolers comfortable and relaxed as they run, jump, skip, and hop around all day. The stretchy, bootie construction of these sneakers offers a snug and secure feel, while the midfoot strap and a heel strap keep your kids' feet stable and supported throughout the day.