Buck Mason vs Mack Weldon: which size fits the same?
In tees, a Buck Mason L is closest to a Mack Weldon XL (½″ roomier).
Tees
Buck Mason tees measure about 2″ more around than Mack Weldon at the same size. A Buck Mason L is closest to a Mack Weldon XL (½″ roomier).
| Buck Mason | Chest · length | Closest Mack Weldon | Chest · length | Mack Weldon is |
|---|---|---|---|---|
| Buck Mason XS | 37½″ · 26¼″ | Mack Weldon S | 38″ · 28″ | ½″ roomier |
| Buck Mason S | 39½″ · 26¾″ | Mack Weldon M | 40″ · 29″ | ½″ roomier |
| Buck Mason M | 41½″ · 27¼″ | Mack Weldon L | 42″ · 29¾″ | ½″ roomier |
| Buck Mason L | 43½″ · 27¾″ | Mack Weldon XL | 44″ · 30½″ | ½″ roomier |
| Buck Mason XL | 46½″ · 28½″ | Mack Weldon XXL | 46″ · 31″ | ½″ snugger |
| Buck Mason XXL | 49½″ · 29¼″ | none close |
From Buck Mason: Buck Mason Pima Classic Tee, Buck Mason Slub Curved Hem Tee, Buck Mason Pima Curved Hem Tee, Buck Mason Toughknit Classic Tee, Buck Mason Yuma Hemp Cotton Classic Tee, Buck Mason Field-Spec Cotton Heavy Tee. 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.
More: Buck Mason 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.