Sizing- The adult tee shirts are
standard industry sizes, with a width of: Medium 21 inches, Large 23 inches,
X-Large 25 inches, XX-Large 26 inches, XXX-Large 27 inches.
We think they run large
Child sizes: Medium (6-8) 16
inches, Large (10-12) 17 inches, X-Large (14-16) 19 inches wide.