Aprx measurement
XS-
Armpit to armpit: 14,5"
Length:25" 
S-
Armpit to armpit: 16"
Length:26"
M-
Armpit to armpit: 17"
Length:26"
L -
Armpit to armpit: 19"
Length:26"
XL -
Armpit to armpit:21"
Length:26"