Next to Old Navy size
The short answer
Next S is Old Navy XS by the two brands' own charts. 7 of 9 Next sizes land on a different label at Old Navy.
Both brands publish the body chest each size is cut for, so every row matches a chest, not a letter.
| Next | Next builds it for | Old Navy, by chart | Same label | Old Navy builds it for | Old Navy also prints |
|---|---|---|---|---|---|
| XXS | chest 30 to 32 in | not made | not published | not published | not published |
| XS | chest 33 to 35 in | XS | XS | chest 36 to 37 in, neck 13 to 13.5 in, sleeve 31.5 to 32 in | not published |
| S | chest 36 to 38 in | XS | S | chest 36 to 37 in, neck 13 to 13.5 in, sleeve 31.5 to 32 in | not published |
| M | chest 39 to 41 in | M | M | chest 40 to 42 in, neck 15 to 15.5 in, sleeve 33.5 to 34 in | not published |
| L | chest 42 to 44 in | M or L | L | chest 40 to 42 in, neck 15 to 15.5 in, sleeve 33.5 to 34 in | not published |
| XL | chest 45 to 47 in | L | XL | chest 44 to 46 in, neck 16 to 16.5 in, sleeve 34.5 to 35 in | not published |
| 2XL | chest 48 to 50 in | XL | XXL | chest 48 to 50 in, neck 17 to 17.5 in, sleeve 35.5 to 36 in | not published |
| 3XL | chest 51 to 53 in | XXL | XXXL | chest 51 to 53 in, neck 18 to 18.5 in, sleeve 36.5 to 37 in | not published |
| 4XL | chest 54 to 56 in | XXXL | XXXXL | chest 55 to 57 in, neck 19 to 19.5 in, sleeve 37.5 to 38 in | not published |
| 5XL | chest 57 to 59 in | XXXXL | not published | chest 58 to 60 in, neck 20.5 to 21 in, sleeve 38.5 to 39 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
- Next size guide, read on 2026-09-18.
- Old Navy size guide, read on 2026-09-18. Old Navy on TrueToSize