The North Face to Under Armour size
The short answer
The North Face XXS is Under Armour XS by the two brands' own charts. 5 of 8 The North Face sizes land on a different label at Under Armour.
Both brands publish the body chest each size is cut for, so every row matches a chest, not a letter.
| The North Face | The North Face builds it for | Under Armour, by chart | Same label | Under Armour builds it for | Under Armour also prints |
|---|---|---|---|---|---|
| XXS | chest 29 to 32.5 in, hip 31.5 to 32.5 in, sleeve 33 in | XS | not published | chest 31 to 34 in, waist 28 to 29 in | not published |
| XS | chest 33 to 35 in, hip 33 to 34 in, sleeve 33.5 in | XS | XS | chest 31 to 34 in, waist 28 to 29 in | not published |
| S | chest 36 to 38 in, hip 35 to 37 in, sleeve 33.5 in | SM | not published | chest 34 to 37 in, waist 29 to 31 in | not published |
| M | chest 39 to 41 in, hip 38 to 40 in, sleeve 34 in | MD | not published | chest 37 to 41 in, waist 31 to 34 in | not published |
| L | chest 42 to 44 in, hip 41 to 43 in, sleeve 34.8 in | LG | not published | chest 41 to 44 in, waist 34 to 37 in | not published |
| XL | chest 45 to 48 in, hip 44 to 46 in, sleeve 35.5 in | XL | XL | chest 44 to 48 in, waist 37 to 41 in | not published |
| 2XL | chest 49 to 52 in, hip 47 to 49 in, sleeve 36.3 in | XXL | XXL | chest 48 to 52 in, waist 41 to 45.5 in | not published |
| 3XL | chest 53 to 56 in, hip 50 to 52 in, sleeve 37 in | 3XL | 3XL | chest 52 to 56 in, waist 45.5 to 50 in | not published |
What wearers say
Charts describe a garment, not a fit. We do not collect fit reports for this category yet, so this table is the two brands' own claims and nothing more.
Sources
- The North Face size guide, read on 2026-09-18.
- Under Armour size guide, read on 2026-09-18. Under Armour on TrueToSize