Shirt size chart. 
S : breast 36 " long 26 "  
M :breast 38 " long 27 "
L : breast 40 " long 28 "
XL :  breast 42 " long 29 "
2XL : breast44 " long 30 "
3XL : breast 46 " long 31 "
4XL : breast 48 " long 32 "