Buck Mason vs Sunspel: which size fits the same?
In tees, a Buck Mason L is closest to a Sunspel XL (½″ roomier).
Tees
Buck Mason tees measure about 2½″ more around than Sunspel at the same size. A Buck Mason L is closest to a Sunspel XL (½″ roomier).
| Buck Mason | Chest · length | Closest Sunspel | Chest · length | Sunspel is |
|---|---|---|---|---|
| Buck Mason XS | 37½″ · 26″ | Sunspel S | 37″ · 26¾″ | ½″ snugger |
| Buck Mason S | 39½″ · 26½″ | Sunspel M | 39½″ · 27″ | the same around |
| Buck Mason M | 41½″ · 27″ | Sunspel L | 41¾″ · 27¾″ | the same around |
| Buck Mason L | 43½″ · 27½″ | Sunspel XL | 44″ · 28½″ | ½″ roomier |
| Buck Mason XL | 46½″ · 28¼″ | Sunspel XXL | 46¼″ · 29¼″ | the same around |
| Buck Mason XXL | 49½″ · 29″ | Sunspel 3XL | 48½″ · 30″ | 1″ snugger |
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, Buck Mason Slub Classic Tee. From Sunspel: Sunspel Classic T-Shirt. Relaxed and oversized cuts are left out.
More: Buck Mason sizing · Sunspel 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.