ARCITON Mens Casual Sport Short Sleeves Hoodie T-Shirt 60% Cotton, 40% Polyester Imported Pullover, Short Sleeves, Drawstring Hooded No Pocket, Casual, Hoodie T-Shirts According to the feedback from customers,this tshirt is smaller 2 size than US size.So if you choose the US size M,we will send the tag XL to you.it is same with the other size.