2XU to Oysho leggings size

The short answer

2XU S is Oysho M by the two brands' own charts. 1 of 6 2XU sizes land on a different label at Oysho.

Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.

Every 2XU Flex & Fluid Tights size read across to Oysho. Letter sizes on the left, Letter on the right.
2XU Flex & Fluid Tights	2XU builds it for	Oysho, by chart	Same label	Oysho builds it for	Oysho also prints
XXS	waist 23 to 24.5 in, hip 33 to 34.5 in	XXS	XXS	waist 24 to 25 in, hip 36 to 37 in	not published
XS	waist 25 to 26 in, hip 35 to 36.5 in	XS	XS	waist 25 to 26 in, hip 37 to 38 in	not published
S	waist 26.5 to 28 in, hip 37 to 38.5 in	M	S	waist 27 to 29 in, hip 39 to 41 in	not published
M	waist 28.5 to 30 in, hip 39 to 40.5 in	M	M	waist 27 to 29 in, hip 39 to 41 in	not published
L	waist 30.5 to 32 in, hip 41 to 42.5 in	L	L	waist 30 to 33 in, hip 42 to 45 in	not published
XL	waist 32.5 to 34 in, hip 43 to 44.5 in	XL	XL	waist 33 to 35 in, hip 45 to 47 in	not published

Tinted rows change label or sit between two sizes. Read from the two charts only; no formula and no averaging.

What wearers say

Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.

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Sources

2XU Flex & Fluid Tights size guide, read on 2026-09-18.
Oysho size guide, read on 2026-09-18. Oysho on TrueToSize

Oysho to 2XU