AYBL to adidas leggings size

The short answer

AYBL XXS is adidas 2XS by the two brands' own charts. 2 of 7 AYBL sizes land on a different label at adidas.

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

Every AYBL size read across to adidas. Letter sizes on the left, Letter on the right.
AYBL	AYBL builds it for	adidas, by chart	Same label	adidas builds it for	adidas also prints
XXS	waist 23 to 24 in, hip 33.5 to 35 in	2XS	2XS	waist 22 to 23.5 in, hip 31.5 to 33 in, inseam 30.5 in	US numeric 00
XS	waist 24 to 26.5 in, hip 35 to 37 in	XS	XS	waist 24 to 26 in, hip 33.5 to 35.5 in, inseam 31 in	US numeric 0-2
S	waist 26.5 to 29 in, hip 37 to 39.5 in	S	S	waist 26.5 to 28.5 in, hip 36 to 38 in, inseam 31 in	US numeric 4-6
M	waist 29 to 31 in, hip 39.5 to 42 in	M	M	waist 29 to 31 in, hip 38.5 to 40.5 in, inseam 31.5 in	US numeric 8-10
L	waist 31 to 33.5 in, hip 42 to 44.5 in	L	L	waist 31.5 to 33.5 in, hip 41 to 43 in, inseam 31.5 in	US numeric 12-14
XL	waist 33.5 to 36 in, hip 44.5 to 46.5 in	XL	XL	waist 34 to 37 in, hip 43.5 to 46 in, inseam 31.5 in	US numeric 16-18
XXL	waist 36 to 38.5 in, hip 46.5 to 49 in	1X	2XL	waist 35 to 38.5 in, hip 43.5 to 47 in, inseam 31 in	US numeric 14W-16W

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

AYBL size guide, read on 2026-09-18.
adidas size guide, read on 2026-09-18. adidas on TrueToSize

adidas to AYBL