Mack Weldon vs Port & Company: which size fits the same?
In tees, a Mack Weldon L is closest to a Port & Company L (1″ roomier). In long sleeves, a Mack Weldon L is closest to a Port & Company M (the same around).
Tees
Port & Company tees measure about 1″ more around than Mack Weldon at the same size. A Mack Weldon L is closest to a Port & Company L (1″ roomier).
| Mack Weldon | Chest · length | Closest Port & Company | Chest · length | Port & Company is |
|---|---|---|---|---|
| Mack Weldon S | 38″ · 28″ | Port & Company M | 39¼″ · 27¾″ | 1¼″ roomier |
| Mack Weldon M | 40″ · 29″ | Port & Company M | 39¼″ · 27¾″ | ¾″ snugger |
| Mack Weldon L | 42″ · 29¾″ | Port & Company L | 43″ · 28¾″ | 1″ roomier |
| Mack Weldon XL | 44″ · 30½″ | Port & Company L | 43″ · 28¾″ | 1″ snugger |
| Mack Weldon XXL | 46″ · 31″ | Port & Company XL | 47″ · 29¾″ | 1″ roomier |
From Mack Weldon: Mack Weldon SILVER Crew Neck T-Shirt, Mack Weldon Pima Crew Neck T-Shirt, Mack Weldon Pima Short Sleeve Henley. From Port & Company: Port & Company Core Cotton Tee (PC54), Port & Company Essential Tee (PC61), Port & Company Core Blend Tee (PC55), Port & Company Fan Favorite Tee (PC450). Relaxed and oversized cuts are left out.
Long sleeves and layers
Port & Company long sleeves measure about 4¼″ more around than Mack Weldon at the same size. A Mack Weldon L is closest to a Port & Company M (the same around).
| Mack Weldon | Chest · length | Closest Port & Company | Chest · length | Port & Company is |
|---|---|---|---|---|
| Mack Weldon S | 39″ · 26½″ | Port & Company S | 39¼″ · 26¼″ | the same around |
| Mack Weldon M | 41″ · 27¼″ | Port & Company S | 39¼″ · 26¼″ | 1¾″ snugger |
| Mack Weldon L | 43″ · 27¾″ | Port & Company M | 43″ · 27″ | the same around |
| Mack Weldon XL | 44¾″ · 28½″ | Port & Company M | 43″ · 27″ | 1¾″ snugger |
| Mack Weldon XXL | 46¾″ · 29″ | Port & Company L | 47″ · 28″ | the same around |
From Mack Weldon: Mack Weldon ACE Crew Neck Sweatshirt, Mack Weldon Pima Long Sleeve Crew. From Port & Company: Port & Company Core Fleece Pullover Hooded Sweatshirt (PC78H). Relaxed and oversized cuts are left out.
More: Mack Weldon sizing · Port & Company 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.