Beartooth flannel. Medium. LIKE NEW- worn at a concert for one HOUR over a t shirt. Put away and now I'm making room. It was given to me, and I've never seen another one like it. Laying flat buttoned: 22" armpit to armpit 29" top of shoulder to bottom of shirt 18" armpit to bottom of sleeve 25" from top of sleeve seam to end of cuff Beartooth branded tag.