US: XL to Europe Size 48

US: XL: Features a chest width of 116 $\text{cm}$ (45.7 $\text{in}$), shoulder breadth of 52 $\text{cm}$ (20.5 $\text{in}$), and sleeve length of 95 $\text{cm}$ (37.4 $\text{in}$) with built-in layering allowance.

Europe Size 48: Features a chest width of 100 $\text{cm}$ (39.4 $\text{in}$), shoulder breadth of 46 $\text{cm}$ (18.1 $\text{in}$), and sleeve length of 87 $\text{cm}$ (34.3 $\text{in}$) with built-in layering allowance.