Buck Mason vs Polo Ralph Lauren: which size fits the same?
In tees, a Buck Mason L is closest to a Polo Ralph Lauren L (½″ roomier).
Tees
Buck Mason and Polo Ralph Lauren tees measure about the same at the same size (within ¾″ around). A Buck Mason L is closest to a Polo Ralph Lauren L (½″ roomier).
| Buck Mason | Chest · length | Closest Polo Ralph Lauren | Chest · length | Polo Ralph Lauren is |
|---|---|---|---|---|
| Buck Mason XS | 37½″ · 26″ | Polo Ralph Lauren S | 37¾″ · 26¼″ | the same around |
| Buck Mason S | 39½″ · 26½″ | Polo Ralph Lauren M | 40¾″ · 27″ | 1¼″ roomier |
| Buck Mason M | 41½″ · 27″ | Polo Ralph Lauren M | 40¾″ · 27″ | ¾″ snugger |
| Buck Mason L | 43½″ · 27½″ | Polo Ralph Lauren L | 44″ · 27¾″ | ½″ roomier |
| Buck Mason XL | 46½″ · 28¼″ | Polo Ralph Lauren XL | 48″ · 29¼″ | 1½″ roomier |
| Buck Mason XXL | 49½″ · 29″ | Polo Ralph Lauren XL | 48″ · 29¼″ | 1½″ 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 Polo Ralph Lauren: Polo Ralph Lauren Classic Fit Jersey Crewneck T-Shirt, Polo Ralph Lauren Custom Slim Fit Jersey Crewneck T-Shirt. Relaxed and oversized cuts are left out.
More: Buck Mason sizing · Polo Ralph Lauren 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.