London England Mens Polo Shirt US All Size White Short Sleeve Cotton

American Small (EU-M) Armpit to armpit  20"

American Medium (EU-L) Armpit to armpit20.7

American Large (EU-XL) Armpit to armpit 21.5"

American XL (EU-2XL) Armpit to armpit 22.1"

American 2XL (EU-3XL) Armpit to armpit 23"