This model will delight children who love to play as well as jellyfish fans! With Nike Dynamo GO SE, their tentacles (i.e. their legs) can spring into action. The retractable heel makes it easy for your child to put the shoe on and take it off. The beautiful wavy lines are designed to keep the feet securely in place while your child enjoys sliding and cavorting in all directions. The retractable heel is designed to make it easy for children to press and slide their foot inside the shoe. No need for laces, your child can put it on by himself, without hands. The soft, supple fabric provides optimum comfort for toddlers' feet as they move around. Wavy, shock-absorbing lines on the vamp are strategically designed to provide stability for children moving in all directions. The foam-padded collar offers incredible comfort. And the soft foam underfoot gives kids the cushioning they need for play. This special edition (SE) features a color scheme reminiscent of the ocean and coral reefs, as well as jellyfish-inspired motifs for an aquatic look.