Xero Shoes - Big Kids Prio - Lunar Rock / Sunny LimeThe Prio Big Kids is lightweight, weighing just 6. 3 oz (178. 7 g) per size 3 shoe. So light, your child might forget they have them on. Whether your kid is climbing the school jungle gym, playing a fast paced game of tag, or running in an impromptu foot race, the Prio's instep and midfoot tension straps will maintain a secure fit. Childrens feet arent just miniature versions of adults. So, the Prio Big Kids isn't just the Prio in a smaller size. The