so I ordered these for me and my husband. My husband likes to wear matching things. I would recommend sizing down I’m usually a medium I’m 55, 159 pounds. I ordered my usual size medium and they were huge. I returned them and got two smalls and they fit perfect. My husband usually an extra large, he’s 511 about 210 pounds, and he’s got a 36 waist. I got him the large as the extra large huge on him.this company uses quality material. It’s warm thick and keeps you very warm. Love love love these s...