Fully Stitched Letters and Numbers 

S Size 36 19 inches armpit to armpit 

M Size 40  20 inches armpit to armpit 

L  Size 44  22 inches armpit to armpit 

XL Size 48  24 inches armpit to armpit 

XXL Size 52  26 inches armpit to armpit 

XXXL Size 56  28 inches armpit to armpit