S: Armpit to armpit 19". Collar to waist 26-1/2"
M: Armpit to armpit 20-1/2". Collar to waist 27"
L: Armpit to armpit 22". Collar to waist 27-1/2"
XL: Armpit to armpit 23-1/2". Collar to waist 28"
XXL: Armpit to armpit 25-1/2". Collar to waist 28-1/2"
Note: All measurements are taken with the material unstretched, they stretch to a much bigger size.