US: C / M to United Kingdom Size XL (Extra Tall)

US: C / M: Corresponds to a stature height range of 160–172 $\text{cm}$ (63–68 $\text{in}$), weight range of 60–72 kg (132–158 lbs), denier rating 20D–80D Opaque & Tights, and fit classification Average Height / Standard Fit.

United Kingdom Size XL (Extra Tall): Corresponds to a stature height range of 168–180 $\text{cm}$ (66–71 $\text{in}$), weight range of 70–85 kg (154–187 lbs), denier rating 30D–100D Heavy Opaque / Control, and fit classification Tall / Generous Rise Fit.