●100% cotton. Super soft, lightweight, Colorful, Comfortable for Active Kids. ●Elastic band waist, Easy to pull on/off. ●Great choice for your children to do various sports. Perfect Gift for your babys birthday or Easter. ●Easy to care, machine wash in cold water, colors keeps well, no shrink ●Age range for reference only, if your child is above average, please buy 1-2 size up.