Year of Ours to SKIMS leggings size

The short answer

Year of Ours Extra Small is SKIMS XS by the two brands' own charts. 5 of 6 Year of Ours 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 Year of Ours size read across to SKIMS. Letter sizes on the left, Letter on the right.
Year of Ours	Year of Ours builds it for	SKIMS, by chart	Same label	SKIMS builds it for	SKIMS also prints
Extra Small	waist 25 to 26.5 in, hip 35 to 37 in	XS	not published	waist 24 to 26 in, hip 34 to 36.5 in	US numeric 0-2
Small	waist 27 to 28 in, hip 38 to 40 in	S	S	waist 26.5 to 28.5 in, hip 37 to 39 in	US numeric 4-6
Medium	waist 29 to 32 in, hip 41 to 43 in	M	M	waist 29 to 31 in, hip 39.5 to 41.5 in	US numeric 8-10
Large	waist 33 to 35 in, hip 44 to 46 in	L	L	waist 31.5 to 34.5 in, hip 42 to 44 in	US numeric 12-14
Extra Large	waist 36 to 38 in, hip 47 to 49 in	XL	not published	waist 35 to 38 in, hip 44.5 to 47.5 in	US numeric 16
2X	waist 39 to 41 in, hip 50 to 52 in	2X	2X	waist 38.5 to 41.5 in, hip 48 to 51 in	US numeric 18-20

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.
SKIMS size guide, read on 2026-09-18. SKIMS on TrueToSize

SKIMS to Year of Ours