Konflic USA Red Cross with Wing Graphic Men's Long Sleeve Size : S - 18.5 "Armpit to Armpit & 27 " From Shoulder To Bottom Size : M - 20.0 " Armpit to Armpit & 28 " From Shoulder To Bottom Size : L - 21.0 " Armpit to Armpit & 29" From Shoulder To Bottom Size : XL - 22.0 " Armpit to Armpit & 30 " From Shoulder To Bottom Size : 2XL - 23.5 " Armpit to Armpit & 31.5 " From Shoulder To Bottom