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

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 S (Short): Corresponds to a stature height range of 145–158 (57–62 ), weight range of 40–52 kg (88–115 lbs), denier rating 15D–40D Sheer / Standard, and fit classification Petite / Short Stature Fit.