US: 50-52 to United Kingdom Size 46-48

US: 50-52: Corresponds to a relaxed chest range of 122–126 $\text{cm}$ (48–49.6 $\text{in}$), elastic waist range of 108–114 $\text{cm}$ (42.5–44.9 $\text{in}$), and fit classification Loose Lounge Fit.

United Kingdom Size 46-48: Corresponds to a relaxed chest range of 114–118 $\text{cm}$ (44.9–46.5 $\text{in}$), elastic waist range of 100–106 $\text{cm}$ (39.4–41.7 $\text{in}$), and fit classification Loose Lounge Fit.