Larry Gets Lost in Seattle Cycling Jersey, Toddler Preschool and Kids Boys Girls Youth Sport Shirt Sizing: XXS (ages 3-4); XS (age 5); S (ages 6-7); M (ages 8-9); L (ages 10-11) Performance 100% polyester fabric wicks moisture away 3/4 length hidden YKK front zipper 3 rear pockets light elastic at waist, open sleeve