Army Issue wool shirt. two chest pocket and button front. Like a good wool blanket with sleeves. These are a favourite for Cold weather adventurists. Army Issue Wool shirts 80% wool 20 % Nylon We put them on the Scale and a Small weighs in at 785 grams and XL is a whopping 970 grams. This is a Heavy Wool Shirt and in the Wool Shirt Market this is a Bargain. Filsoms and Woolrich are Hundreds and hundreds of dollars. These are made for the Army to a Military set of Standards that would exceed normal commercial market quality. size Medium 40 chest size