United Kingdom Size 42–44 to US: 2XL (50–52)

United Kingdom Size 42–44: Corresponds to a chest width of 106.7–111.8 $\text{cm}$ (42–44 $\text{in}$), neck collar girth of 41.9 $\text{cm}$ (16.5 $\text{in}$), sleeve length of 88.9 $\text{cm}$ (35 $\text{in}$), and fit style Comfort Fit.

US: 2XL (50–52): Corresponds to a chest width of 127–132.1 $\text{cm}$ (50–52 $\text{in}$), neck collar girth of 47 $\text{cm}$ (18.5 $\text{in}$), sleeve length of 94 $\text{cm}$ (37 $\text{in}$), and fit style Extended Plus Fit.