Europe Size 44 to US: 18-24M

Europe Size 44: Corresponds to a head circumference baseline of 44 $\text{cm}$ (17.3 $\text{in}$) and age range 6–12 $\text{months}$.

US: 18-24M: Corresponds to a head circumference baseline of 48 $\text{cm}$ (18.9 $\text{in}$) and age range 18–24 $\text{months}$.