US: L/XL to Europe Size 50

US: L/XL: Features a chest width of 112 $\text{cm}$ (44.1 $\text{in}$), shoulder breadth of 50.5 $\text{cm}$ (19.9 $\text{in}$), and sleeve length of 93 $\text{cm}$ (36.6 $\text{in}$) with built-in layering allowance.

Europe Size 50: Features a chest width of 104 $\text{cm}$ (40.9 $\text{in}$), shoulder breadth of 47.5 $\text{cm}$ (18.7 $\text{in}$), and sleeve length of 89 $\text{cm}$ (35 $\text{in}$) with built-in layering allowance.