US: 50-52 to United Kingdom Size 34-36

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 34-36: Corresponds to a relaxed chest range of 90–94 $\text{cm}$ (35.4–37 $\text{in}$), elastic waist range of 76–82 $\text{cm}$ (29.9–32.3 $\text{in}$), and fit classification Relaxed / Comfort Fit.