Tommy Hilfiger to Under Armour size
The short answer
Tommy Hilfiger XXXS is Under Armour XS by the two brands' own charts. 8 of 10 Tommy Hilfiger 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.
| Tommy Hilfiger | Tommy Hilfiger builds it for | Under Armour, by chart | Same label | Under Armour builds it for | Under Armour also prints |
|---|---|---|---|---|---|
| XXXS | chest 31.5 to 32.5 in, waist 25.5 to 26.5 in, neck 11 to 11.5 in, sleeve 33.5 to 33.8 in | XS | not published | chest 31 to 34 in, waist 28 to 29 in | not published |
| XXS | chest 33.5 to 34.5 in, waist 27.5 to 28.5 in, neck 12 to 12.5 in, sleeve 34 to 34.3 in | XS | not published | chest 31 to 34 in, waist 28 to 29 in | not published |
| XS | chest 35.5 to 36.5 in, waist 29.5 to 30.5 in, neck 13 to 13.5 in, sleeve 34.5 to 34.8 in | SM | XS | chest 34 to 37 in, waist 29 to 31 in | not published |
| S | chest 37.5 to 38.5 in, waist 31.5 to 32.5 in, neck 14 to 14.5 in, sleeve 35 to 35.3 in | MD | not published | chest 37 to 41 in, waist 31 to 34 in | not published |
| M | chest 39.5 to 40.5 in, waist 33.5 to 34.5 in, neck 15 to 15.5 in, sleeve 35.5 to 35.8 in | MD | not published | chest 37 to 41 in, waist 31 to 34 in | not published |
| L | chest 41.5 to 42.5 in, waist 35.5 to 36.5 in, neck 16 to 16.5 in, sleeve 36 to 36.5 in | LG | not published | chest 41 to 44 in, waist 34 to 37 in | not published |
| XL | chest 43.5 to 45.5 in, waist 37.5 to 39.5 in, neck 17 to 17.5 in, sleeve 36.8 to 37 in | XL | XL | chest 44 to 48 in, waist 37 to 41 in | not published |
| XXL | chest 47.5 to 49.5 in, waist 41.5 to 43.5 in, neck 18 to 18.5 in, sleeve 37.5 to 37.8 in | XXL | XXL | chest 48 to 52 in, waist 41 to 45.5 in | not published |
| XXXL | chest 51.5 to 53.5 in, waist 45.5 to 47.5 in, neck 19 to 19.5 in, sleeve 38.3 to 38.5 in | 3XL | 3XL | chest 52 to 56 in, waist 45.5 to 50 in | not published |
| XXXXL | chest 55.5 to 57.5 in, waist 49.5 to 51.5 in, neck 20 to 20.5 in, sleeve 39 to 39.3 in | 4XL | 4XL | chest 56 to 60 in, waist 50 to 54.5 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
- Tommy Hilfiger size guide, read on 2026-09-18.
- Under Armour size guide, read on 2026-09-18. Under Armour on TrueToSize