US: F / 2XL to United Kingdom Size S (Short)
Cross-market women’s hosiery and tights conversion mapping F / 2XL specifications into S (Short).

Analyzing Women’s Hosiery Size Equivalence Across Markets
US: F / 2XL: Corresponds to a stature height range of 172–190 (68–75 ), weight range of 95–115 kg (209–253 lbs), denier rating 50D–150D Extra Support / Compression, and fit classification Extended Plus / Compression Support.
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.