AYBL to Beyond Yoga leggings size

The short answer

AYBL XS is Beyond Yoga XXS by the two brands' own charts. 2 of 6 AYBL sizes land on a different label at Beyond Yoga.

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 Beyond Yoga. Letter sizes on the left, Letter on the right.
AYBL	AYBL builds it for	Beyond Yoga, by chart	Same label	Beyond Yoga builds it for	Beyond Yoga also prints
XXS	waist 23 to 24 in, hip 33.5 to 35 in	not made	XXS	not published	not published
XS	waist 24 to 26.5 in, hip 35 to 37 in	XXS	XS	waist 25 in	not published
S	waist 26.5 to 29 in, hip 37 to 39.5 in	XS	S	waist 26 to 27.5 in, hip 35.5 to 37 in	not published
M	waist 29 to 31 in, hip 39.5 to 42 in	M	M	waist 30 to 31.5 in, hip 39.5 to 41 in	not published
L	waist 31 to 33.5 in, hip 42 to 44.5 in	L	L	waist 32 to 33.5 in, hip 41.5 to 43 in	not published
XL	waist 33.5 to 36 in, hip 44.5 to 46.5 in	XL	XL	waist 34 to 35.5 in, hip 43.5 to 45 in	not published
XXL	waist 36 to 38.5 in, hip 46.5 to 49 in	XXL	XXL	waist 36 to 39.5 in	not published

Tinted rows change label or sit between two sizes. 1 sizes have no counterpart on the Beyond Yoga chart. 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.
Beyond Yoga size guide, read on 2026-09-17. Beyond Yoga on TrueToSize

Beyond Yoga to AYBL