Year of Ours to Under Armour leggings size
The short answer
Year of Ours Extra Small is Under Armour XS by the two brands' own charts. 6 of 6 Year of Ours sizes land on a different label at Under Armour.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Year of Ours | Year of Ours builds it for | Under Armour, by chart | Same label | Under Armour builds it for | Under Armour also prints |
|---|---|---|---|---|---|
| Extra Small | waist 25 to 26.5 in, hip 35 to 37 in | XS | not published | waist 25.5 to 27 in, hip 34.5 to 36 in | US numeric 0-2 |
| Small | waist 27 to 28 in, hip 38 to 40 in | SM | not published | waist 27 to 29 in, hip 36 to 38 in | US numeric 4-6 |
| Medium | waist 29 to 32 in, hip 41 to 43 in | MD | not published | waist 29 to 31 in, hip 38 to 40 in | US numeric 8-10 |
| Large | waist 33 to 35 in, hip 44 to 46 in | LG | not published | waist 31 to 34 in, hip 40 to 43 in | US numeric 12-14 |
| Extra Large | waist 36 to 38 in, hip 47 to 49 in | XL | not published | waist 34 to 37 in, hip 43 to 46 in | US numeric 16 |
| 2X | waist 39 to 41 in, hip 50 to 52 in | 1X | 2X | waist 39 to 43.5 in, hip 47 to 50.5 in | US numeric 16W-18W |
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.
Sources
- Year of Ours size guide, read on 2026-09-18.
- Under Armour size guide, read on 2026-09-17. Under Armour on TrueToSize