US: S/M to Europe Size 52

US: S/M: Features a chest width of 96 $\text{cm}$ (37.8 $\text{in}$), shoulder breadth of 45 $\text{cm}$ (17.7 $\text{in}$), and sleeve length of 85 $\text{cm}$ (33.5 $\text{in}$) with built-in layering allowance.

Europe Size 52: Features a chest width of 108 $\text{cm}$ (42.5 $\text{in}$), shoulder breadth of 49 $\text{cm}$ (19.3 $\text{in}$), and sleeve length of 91 $\text{cm}$ (35.8 $\text{in}$) with built-in layering allowance.