SET Active to Beyond Yoga leggings size

The short answer

SET Active S is Beyond Yoga XS by the two brands' own charts. 2 of 5 SET Active 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 SET Active size read across to Beyond Yoga. Letter sizes on the left, Letter on the right.
SET Active	SET Active builds it for	Beyond Yoga, by chart	Same label	Beyond Yoga builds it for	Beyond Yoga also prints
XS	waist 22 to 24 in	not made	XS	not published	not published
S	waist 25 to 27 in	XS	S	waist 26 to 27.5 in, hip 35.5 to 37 in	not published
M	waist 28 to 30 in	S	M	waist 28 to 29.5 in, hip 37.5 to 39 in	not published
L	waist 31 to 33 in	L	L	waist 32 to 33.5 in, hip 41.5 to 43 in	not published
XL	waist 34 to 36 in	XL	XL	waist 34 to 35.5 in, hip 43.5 to 45 in	not published
XXL	waist 37 to 40 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

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

Beyond Yoga to SET Active