Chicago Infant Unionsuit, 24 Months Garments are designed to fit snug for childs safety and made of 100% interlock cotton for added softness Rib trim on neck and cuffs has spandex for extra strength and comfy fit Extended cuffs on sleeves and ankles for a better fit Zipper front with added neck tab to protect chin Available in allover team print with solid trim on neck and cuffs in 6 months, 9 months, 12 months, 18 months and 24 months sizes