US: 3XL to Europe Size 48

US: 3XL: Features a chest width of 132 $\text{cm}$ (52 $\text{in}$), shoulder breadth of 58 $\text{cm}$ (22.8 $\text{in}$), and sleeve length of 101 $\text{cm}$ (39.8 $\text{in}$) 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.