Taylor Stitch vs Under Armour: which size fits the same?

In tees, a Taylor Stitch L is closest to an Under Armour M (¾″ roomier).

Tees

Under Armour tees measure about 3¼″ more around than Taylor Stitch at the same size. A Taylor Stitch L is closest to an Under Armour M (¾″ roomier).

Taylor StitchChest · lengthClosest Under ArmourChest · lengthUnder Armour is
Taylor Stitch XS36¼″ · 24″none close
Taylor Stitch S38¼″ · 25″Under Armour S40″ · 28¾″1¾″ roomier
Taylor Stitch M40¼″ · 26″Under Armour S40″ · 28¾″the same around
Taylor Stitch L42¼″ · 27″Under Armour M43″ · 29¼″¾″ roomier
Taylor Stitch XL44¾″ · 27¾″Under Armour L46″ · 29¾″1¼″ roomier
Taylor Stitch XXL47¾″ · 28¾″Under Armour XL49″ · 30¾″1¼″ roomier

From Taylor Stitch: Taylor Stitch Organic Cotton Shop Tee, Taylor Stitch The Heavy Bag Tee, Taylor Stitch The Organic Cotton Pocket Tee. From Under Armour: Under Armour Team Tech Tee (1376842), Under Armour Athletic 2.0 Tee (1383264). Relaxed and oversized cuts are left out.

More: Taylor Stitch sizing · Under Armour 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.