US: C / M to United Kingdom Size L (Tall)
Cross-market women’s hosiery and tights conversion mapping C / M specifications into L (Tall).

Analyzing Women’s Hosiery Size Equivalence Across Markets
US: C / M: Corresponds to a stature height range of 160–172 (63–68 ), 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 L (Tall): Corresponds to a stature height range of 160–172 (63–68 ), weight range of 60–72 kg (132–158 lbs), denier rating 20D–80D Opaque & Tights, and fit classification Average Height / Standard Fit.