Cool Kicks for Cool Kids. Our sneakers feature a 100% leather upper with velcro straps, and a star on the outside. They are fully lined as well as a padded innersole for extra comfort. They have a rubber sole and a cushioned insole which is flexible enough to still allow natural movement. These boots are suitable for walkers and adventure seekers. Size chart: Please note that age guidelines are a guide only. Please measure your child's feet to determine the best fit allowing for room to grow, if in doubt please size up.