Size XL 100% spun poly Haze gray blue color with big black polka dots printed on fabric 3/4 sleeves Stretchy T-shirt like material Spun polyester is a type of yarn made from short polyester fibers that are twisted together. It is similar to cotton thread in that it's made by twisting shorter lengths of fibers together. Measurements approx Underarm seam to seam 25” Sleeves 19” Shoulder to hem center 30-1/2” Shoulder to hem sides 38”