Gangster Pirate Mouse with Red Bandanna Graphic Men's Base Ball Tee Size : S - 18 "Armpit to Armpit & 28.5 " From Neck To Bottom Size : M - 19.5 " Armpit to Armpit & 29 " From Neck To Bottom Size : L - 21 " Armpit to Armpit & 29.5" From Neck To Bottom Size : XL - 22 " Armpit to Armpit & 30.5 " From Neck To Bottom Size : 2XL - 23 " Armpit to Armpit & 32 " From Neck To Bottom