Gap to Tommy Hilfiger size
The short answer
Gap XXXL is Tommy Hilfiger XXXXL or XXXL by the two brands' own charts. 1 of 7 Gap sizes land on a different label at Tommy Hilfiger.
Both brands publish the body chest each size is cut for, so every row matches a chest, not a letter.
| Gap | Gap builds it for | Tommy Hilfiger, by chart | Same label | Tommy Hilfiger builds it for | Tommy Hilfiger also prints |
|---|---|---|---|---|---|
| XS | chest 35 to 36 in, neck 13.5 to 14 in, sleeve 31 to 32 in | XS | 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 | not published |
| S | chest 37 to 38 in, neck 14 to 14.5 in, sleeve 32 to 33 in | S | 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 | not published |
| M | chest 39 to 41 in, neck 15 to 15.5 in, sleeve 33 to 34 in | M | 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 | not published |
| L | chest 42 to 44 in, neck 16 to 16.5 in, sleeve 34 to 35 in | L or XL | 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 | not published |
| XL | chest 45 to 48 in, neck 17 to 17.5 in, sleeve 35 to 35.5 in | XL or XXL | 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 | not published |
| XXL | chest 49 to 52 in, neck 18 to 18.5 in, sleeve 35.5 to 36 in | XXL or XXXL | 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 | not published |
| XXXL | chest 55 in, neck 18.8 in, sleeve 36.5 in | XXXXL or XXXL | XXXL | 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 | 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
- Gap size guide, read on 2026-09-18. Gap on TrueToSize
- Tommy Hilfiger size guide, read on 2026-09-18.