juDanzy baby & toddler Plaid Cabbie hats juDanzy brand 0-3 Months = 14-5 Inches (36-40 cm), 3-6 Months = 15-17 Inches (40-44 cm) 6-12 Months = 17-19 inches (44-48 cm), 1-4 Years = 19-20.5 inches (48-52 cm) 4-8 Years - 22-24 inches (56-61 cm)