Nike vs Port & Company: which size fits the same?

In tees, a Nike L is closest to a Port & Company L (1¼″ snugger).

Tees

Nike tees measure about 1½″ more around than Port & Company at the same size. A Nike L is closest to a Port & Company L (1¼″ snugger).

NikeChest · lengthClosest Port & CompanyChest · lengthPort & Company is
Nike XS33¼″ · 26″Port & Company S35¼″ · 27″2″ roomier
Nike S37¾″ · 27½″Port & Company M39¼″ · 27¾″1½″ roomier
Nike M40½″ · 27½″Port & Company M39¼″ · 27¾″1½″ snugger
Nike L44¼″ · 28¾″Port & Company L43″ · 28¾″1¼″ snugger
Nike XL48¼″ · 29½″Port & Company XL47″ · 29¾″1¼″ snugger
Nike XXL52″ · 30¼″Port & Company XXL51″ · 30¾″1″ snugger
Nike 3XL56″ · 31″Port & Company 3XL55″ · 31¾″1″ snugger

From Nike: Nike Team rLegend Tee, Nike Legend Tee, Nike Core Cotton Tee. 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.

More: Nike sizing · Port & Company sizing

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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.