Baby Size GuidePolo Kids Big Pony Cotton Jersey Romper. This cotton jersey romper features our iconic Big Pony updated with an abstract print in the season's vibrant colors.Big Pony printed at the center front.Crewneck. Two-button placket at each shoulder.Short sleeves.Drawstring waistband with a pre-tied bow.Back right patch pocket.Snap closure at the crotch.100%%% cotton.Machine wash.Imported.Measurements: Inseam: 2 1 2 inProduct measurements were taken using size 12 Months. Please note that measurements may vary by size.