Asket vs Buck Mason: which size fits the same?

In tees, an Asket L is closest to a Buck Mason M (1″ snugger).

Tees

Buck Mason tees measure about 1¾″ more around than Asket at the same size. An Asket L is closest to a Buck Mason M (1″ snugger).

AsketChest · lengthClosest Buck MasonChest · lengthBuck Mason is
Asket XS35½″ · 23¾″none close
Asket S37¾″ · 25″Buck Mason XS37½″ · 26″the same around
Asket M40″ · 26″Buck Mason S39½″ · 26½″½″ snugger
Asket L42½″ · 27¼″Buck Mason M41½″ · 27″1″ snugger
Asket XL44¾″ · 28¼″Buck Mason L43½″ · 27½″1¼″ snugger
Asket XXL47″ · 29½″Buck Mason XL46½″ · 28¼″½″ snugger

From Asket: Asket The T-Shirt. 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. Relaxed and oversized cuts are left out.

More: Asket sizing · Buck Mason 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.