Under Armour to Bo+Tee leggings size
The short answer
Under Armour XXS is Bo+Tee XS by the two brands' own charts. 7 of 9 Under Armour sizes land on a different label at Bo+Tee.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Under Armour | Under Armour builds it for | Bo+Tee, by chart | Same label | Bo+Tee builds it for | Bo+Tee also prints |
|---|---|---|---|---|---|
| XXS | waist 24.5 to 25.5 in, hip 33 to 34.5 in | XS | XXS | waist 23.6 to 25.2 in, hip 34.7 to 36.2 in | US numeric 0-2 · UK 4-6 |
| XS | waist 25.5 to 27 in, hip 34.5 to 36 in | S | XS | waist 26.8 in, hip 37.8 in | US numeric 4 · UK 8 |
| SM | waist 27 to 29 in, hip 36 to 38 in | M or S | not published | waist 28.4 to 29.9 in, hip 39.4 to 40.9 in | US numeric 6-8 · UK 10-12 |
| MD | waist 29 to 31 in, hip 38 to 40 in | M | not published | waist 28.4 to 29.9 in, hip 39.4 to 40.9 in | US numeric 6-8 · UK 10-12 |
| LG | waist 31 to 34 in, hip 40 to 43 in | XL or L | not published | waist 33.1 to 36.2 in, hip 44.1 to 46.1 in | US numeric 12-14 · UK 16-18 |
| XL | waist 34 to 37 in, hip 43 to 46 in | XL | XL | waist 33.1 to 36.2 in, hip 44.1 to 46.1 in | US numeric 12-14 · UK 16-18 |
| XXL | waist 37 to 40 in, hip 46 to 49 in | XXL | XXL | waist 38.6 in, hip 48.4 in | US numeric 16 · UK 20 |
| 3XL | waist 40 to 43 in, hip 49 to 52 in | XXL | not published | waist 38.6 in, hip 48.4 in | US numeric 16 · UK 20 |
| 1X | waist 39 to 43.5 in, hip 47 to 50.5 in | XXL | not published | waist 38.6 in, hip 48.4 in | US numeric 16 · UK 20 |
| 2X | waist 43.5 to 48.5 in, hip 50.5 to 54.5 in | not made | not published | not published | not published |
| 3X | waist 48.5 to 53 in, hip 54.5 to 58 in | not made | not published | not published | not published |
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
- Under Armour size guide, read on 2026-09-17. Under Armour on TrueToSize
- Bo+Tee size guide, read on 2026-09-18.