US: S/M to Europe Size 44

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 44: Features a chest width of 92 $\text{cm}$ (36.2 $\text{in}$), shoulder breadth of 44 $\text{cm}$ (17.3 $\text{in}$), and sleeve length of 83 $\text{cm}$ (32.7 $\text{in}$) with built-in layering allowance.