US: L/XL to Europe Size 52

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 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.