USA Tee Size Chart

Size	Chest	Length
XS	17"	25 3/4"
S	19"	26 3/4"
M	21"	27 3/4"
L	23"	28 3/4"
XL	25"	29 3/4"
2XL	27"	30 3/4"
3XL	29"	31 3/4"
4XL	31"	32 3/4"

*all measurements taken laid flat.