AYBL to Lorna Jane leggings size

The short answer

AYBL XS is Lorna Jane XXS by the two brands' own charts. 4 of 6 AYBL sizes land on a different label at Lorna Jane.

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 Lorna Jane. Letter sizes on the left, Letter on the right.
AYBL	AYBL builds it for	Lorna Jane, by chart	Same label	Lorna Jane builds it for	Lorna Jane 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 25.6 in, hip 31.5 in	US numeric 2
S	waist 26.5 to 29 in, hip 37 to 39.5 in	XS	S	waist 27.6 in, hip 35.4 in	US numeric 4
M	waist 29 to 31 in, hip 39.5 to 42 in	S	M	waist 29.5 in, hip 39.4 in	US numeric 6
L	waist 31 to 33.5 in, hip 42 to 44.5 in	M or L	L	waist 31.5 in, hip 43.3 in	US numeric 8
XL	waist 33.5 to 36 in, hip 44.5 to 46.5 in	XL	XL	waist 35.4 in, hip 51.2 in	US numeric 12
XXL	waist 36 to 38.5 in, hip 46.5 to 49 in	XXL	XXL	waist 37.4 in, hip 55.1 in	US numeric 14

Tinted rows change label or sit between two sizes. 1 sizes have no counterpart on the Lorna Jane 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.
Lorna Jane size guide, read on 2026-09-18.

Lorna Jane to AYBL