Year of Ours to SET Active leggings size

The short answer

Year of Ours Extra Small is SET Active S by the two brands' own charts. 6 of 6 Year of Ours 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 Year of Ours size read across to SET Active. Letter sizes on the left, Letter on the right.
Year of Ours	Year of Ours builds it for	SET Active, by chart	Same label	SET Active builds it for	SET Active also prints
Extra Small	waist 25 to 26.5 in, hip 35 to 37 in	S	not published	waist 25 to 27 in	US numeric 4-6
Small	waist 27 to 28 in, hip 38 to 40 in	S or M	S	waist 25 to 27 in	US numeric 4-6
Medium	waist 29 to 32 in, hip 41 to 43 in	M or L	M	waist 28 to 30 in	US numeric 8-10
Large	waist 33 to 35 in, hip 44 to 46 in	XL	L	waist 34 to 36 in	US numeric 16-18
Extra Large	waist 36 to 38 in, hip 47 to 49 in	XXL	not published	waist 37 to 40 in	US numeric 20-22
2X	waist 39 to 41 in, hip 50 to 52 in	XXL	not published	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

Year of Ours size guide, read on 2026-09-18.
SET Active size guide, read on 2026-09-18.

SET Active to Year of Ours