Alo Yoga to SET Active leggings size

The short answer

Alo Yoga XXS is SET Active XS by the two brands' own charts. 4 of 7 Alo Yoga sizes land on a different label at SET Active.

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

Every Alo Yoga size read across to SET Active. Letter sizes on the left, Letter on the right.
Alo Yoga	Alo Yoga builds it for	SET Active, by chart	Same label	SET Active builds it for	SET Active also prints
XXS	waist 23.4 to 24.4 in, hip 33.1 to 34.1 in	XS	not published	waist 22 to 24 in	US numeric 00-4
XS	waist 25 to 26.6 in, hip 34.4 to 36 in	S	XS	waist 25 to 27 in	US numeric 4-6
S	waist 27 to 28.5 in, hip 36.4 to 38 in	M	S	waist 28 to 30 in	US numeric 8-10
M	waist 28.9 to 30.5 in, hip 38.6 to 40 in	M	M	waist 28 to 30 in	US numeric 8-10
L	waist 30.9 to 33.5 in, hip 40.6 to 42.5 in	L	L	waist 31 to 33 in	US numeric 12-14
XL	waist 34.1 to 36.4 in, hip 42.9 to 45.5 in	XL	XL	waist 34 to 36 in	US numeric 16-18
2XL	waist 37 to 40 in, hip 46.1 to 49 in	XXL	XXL	waist 37 to 40 in	US numeric 20-22

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

Alo Yoga size guide, read on 2026-09-17. Alo Yoga on TrueToSize
SET Active size guide, read on 2026-09-18.

SET Active to Alo Yoga