Europe Size 52-54 to US: 12-24M

Europe Size 52-54: Corresponds to a head circumference baseline of 53 $\text{cm}$ (20.9 $\text{in}$), neck circumference of 32 $\text{cm}$, shoulder width of 30 $\text{cm}$, and age range 48–84 $\text{months}$.

US: 12-24M: Corresponds to a head circumference baseline of 48 $\text{cm}$ (18.9 $\text{in}$), neck circumference of 28 $\text{cm}$, shoulder width of 26 $\text{cm}$, and age range 12–24 $\text{months}$.