United Kingdom Size Comfort Large to US: Snug / 47mm

United Kingdom Size Comfort Large: Corresponds to a nominal width of 55 $\text{mm}$ (2.17 $\text{in}$), length of 195 $\text{mm}$ (7.68 $\text{in}$), average structural girth of 110 $\text{mm}$ (4.33 $\text{in}$), and fit category Medium-Large / Comfort.

US: Snug / 47mm: Corresponds to a nominal width of 47 $\text{mm}$ (1.85 $\text{in}$), length of 170 $\text{mm}$ (6.69 $\text{in}$), average structural girth of 94 $\text{mm}$ (3.7 $\text{in}$), and fit category Snug / Slim.