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

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 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.