Gildan vs Sport-Tek: which size fits the same?

In tees, a Gildan L is closest to a Sport-Tek M (the same around).

Tees

Sport-Tek tees measure about 3″ more around than Gildan at the same size. A Gildan L is closest to a Sport-Tek M (the same around).

GildanChest · lengthClosest Sport-TekChest · lengthSport-Tek is
Gildan XS31¼″ · 26″none close
Gildan S35¼″ · 27″Sport-Tek XS37″ · 27″1¾″ roomier
Gildan M39¼″ · 27¾″Sport-Tek S40″ · 28″¾″ roomier
Gildan L43″ · 28¾″Sport-Tek M43″ · 29″the same around
Gildan XL47″ · 29¾″Sport-Tek L46″ · 30″1″ snugger
Gildan XXL51″ · 30¾″Sport-Tek XXL52″ · 32″1″ roomier
Gildan 3XL55″ · 31¾″Sport-Tek 3XL56″ · 32½″1″ roomier

From Gildan: Gildan Heavy Cotton T-Shirt (5000), Gildan Ultra Cotton T-Shirt (2000), Gildan Softstyle T-Shirt (64000), Gildan DryBlend T-Shirt (8000). From Sport-Tek: Sport-Tek PosiCharge Competitor Tee (ST350). Relaxed and oversized cuts are left out.

More: Gildan sizing · Sport-Tek 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.

Build your FitCard

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.