Gildan vs Mack Weldon: which size fits the same?
In tees, a Gildan L is closest to a Mack Weldon XL (1″ roomier). In long sleeves, a Gildan L is closest to a Mack Weldon XL (the same around).
Tees
Gildan tees measure about 1″ more around than Mack Weldon at the same size. A Gildan L is closest to a Mack Weldon XL (1″ roomier).
| Gildan | Chest · length | Closest Mack Weldon | Chest · length | Mack Weldon is |
|---|---|---|---|---|
| Gildan XS | 31¼″ · 26″ | none close | ||
| Gildan S | 35¼″ · 27″ | none close | ||
| Gildan M | 39¼″ · 27¾″ | Mack Weldon M | 40″ · 29″ | ¾″ roomier |
| Gildan L | 43″ · 28¾″ | Mack Weldon XL | 44″ · 30½″ | 1″ roomier |
| Gildan XL | 47″ · 29¾″ | Mack Weldon XXL | 46″ · 31″ | 1″ snugger |
| Gildan XXL | 51″ · 30¾″ | none close | ||
| Gildan 3XL | 55″ · 31¾″ | none close |
From Gildan: Gildan Heavy Cotton T-Shirt (5000), Gildan Ultra Cotton T-Shirt (2000), Gildan Softstyle T-Shirt (64000), Gildan DryBlend T-Shirt (8000). From Mack Weldon: Mack Weldon SILVER Crew Neck T-Shirt, Mack Weldon Pima Crew Neck T-Shirt, Mack Weldon Pima Short Sleeve Henley. Relaxed and oversized cuts are left out.
Long sleeves and layers
Gildan long sleeves measure about 2¼″ more around than Mack Weldon at the same size. A Gildan L is closest to a Mack Weldon XL (the same around).
| Gildan | Chest · length | Closest Mack Weldon | Chest · length | Mack Weldon is |
|---|---|---|---|---|
| Gildan XS | 35¼″ · 25″ | none close | ||
| Gildan S | 37¼″ · 26½″ | Mack Weldon S | 39″ · 26½″ | 1¾″ roomier |
| Gildan M | 41¼″ · 27¼″ | Mack Weldon M | 41″ · 27¼″ | the same around |
| Gildan L | 45″ · 28¼″ | Mack Weldon XL | 44¾″ · 28½″ | the same around |
| Gildan XL | 49″ · 29¼″ | none close | ||
| Gildan XXL | 53″ · 30¼″ | none close | ||
| Gildan 3XL | 56¾″ · 31¼″ | none close |
From Gildan: Gildan Heavy Cotton Long Sleeve T-Shirt (5400), Gildan Ultra Cotton Long Sleeve T-Shirt (2400), Gildan Heavy Blend Hooded Sweatshirt (18500), Gildan Heavy Blend Crewneck Sweatshirt (18000). From Mack Weldon: Mack Weldon ACE Crew Neck Sweatshirt, Mack Weldon Pima Long Sleeve Crew. Relaxed and oversized cuts are left out.
More: Gildan sizing · Mack Weldon sizing
Get your exact size in any of these
Add three shirts you own that fit well. FitCard compares their real measurements with every shirt here and tells you the one size to buy, and why, in terms of your own shirts. Free, no tape measure.
Garment measurements: the shirt itself, chest all the way around and length from shoulder to hem, from each brand's own chart or wholesale spec sheet, checked November 2026. Shirts with half or more cotton are shown as they come out of a dryer (about 2% less around and 4% shorter). Brands change their cuts, so check the shop's chart before you buy.