Nike vs Polo Ralph Lauren: which size fits the same?
In polos, a Nike L is closest to a Polo Ralph Lauren XL (1″ roomier).
Polos
Nike polos measure about 3″ more around than Polo Ralph Lauren at the same size. A Nike L is closest to a Polo Ralph Lauren XL (1″ roomier).
| Nike | Chest · length | Closest Polo Ralph Lauren | Chest · length | Polo Ralph Lauren is |
|---|---|---|---|---|
| Nike XS | 37″ · 28¾″ | Polo Ralph Lauren S | 37¼″ · 25¼″ | the same around |
| Nike S | 40¼″ · 29¼″ | Polo Ralph Lauren M | 40¼″ · 26″ | the same around |
| Nike M | 43¼″ · 29½″ | Polo Ralph Lauren L | 43½″ · 27″ | the same around |
| Nike L | 46½″ · 30¼″ | Polo Ralph Lauren XL | 47½″ · 28¼″ | 1″ roomier |
| Nike XL | 50½″ · 31½″ | Polo Ralph Lauren XXL | 51½″ · 29¾″ | 1″ roomier |
| Nike XXL | 54½″ · 32¾″ | none close | ||
| Nike 3XL | 58¼″ · 34″ | none close |
From Nike: Nike Dri-FIT Micro Pique 2.0 Polo, Nike Dri-FIT Victory Solid Polo, Nike Dri-FIT Legacy Polo, Nike Dri-FIT Vertical Mesh Polo, Nike Dry Essential Solid Polo. From Polo Ralph Lauren: Polo Ralph Lauren Custom Slim Fit Mesh Polo. Relaxed and oversized cuts are left out.
More: Nike 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.