Aerie (OFFLINE) to SKIMS leggings size

The short answer

Aerie (OFFLINE) XXL is SKIMS XL by the two brands' own charts. 1 of 7 Aerie (OFFLINE) sizes land on a different label at SKIMS.

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

Every Aerie (OFFLINE) size read across to SKIMS. Letter sizes on the left, Letter on the right.
Aerie (OFFLINE)	Aerie (OFFLINE) builds it for	SKIMS, by chart	Same label	SKIMS builds it for	SKIMS also prints
XXS	waist 22.5 to 23.5 in, hip 32 to 33 in	XXS	XXS	waist 23 to 24 in, hip 31 to 34 in	US numeric 00
XS	waist 24.5 to 25.5 in, hip 34 to 35 in	XS	XS	waist 24 to 26 in, hip 34 to 36.5 in	US numeric 0-2
S	waist 26.5 to 27.5 in, hip 36 to 37 in	S	S	waist 26.5 to 28.5 in, hip 37 to 39 in	US numeric 4-6
M	waist 28.5 to 29.5 in, hip 38 to 39 in	M	M	waist 29 to 31 in, hip 39.5 to 41.5 in	US numeric 8-10
L	waist 31 to 32.5 in, hip 40.5 to 42 in	L	L	waist 31.5 to 34.5 in, hip 42 to 44 in	US numeric 12-14
XL	waist 34 to 36 in, hip 43.5 to 45.5 in	XL	XL	waist 35 to 38 in, hip 44.5 to 47.5 in	US numeric 16
XXL	waist 38 in, hip 47.5 in	XL	not published	waist 35 to 38 in, hip 44.5 to 47.5 in	US numeric 16

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

Aerie (OFFLINE) size guide, read on 2026-09-18. Aerie (OFFLINE) on TrueToSize
SKIMS size guide, read on 2026-09-18. SKIMS on TrueToSize

SKIMS to Aerie (OFFLINE)