Tag says Men’s size medium but fits like a women’s small/medium or a Men’s small. Measurements: all are approximate (see photos also) Pit to pit (from side seam to side seam): approx. 21.5” Length from top of shoulder to bottom hem: approx. 23” and 2/8ths Waist: a little under 20” Width at bottom hem: approx. 14.5” Sleeve length from shoulder seam: approx. 24.5” One flaw to note - there is a tiny hole on the inside of one cuff. See photo. Otherwise the quality is impeccable. The ribbing on cuff and waist are thick and so well done. Style lends itself to the old money / prairie / farm / equestrian aesthetic that’s trending. 100% extra fine merino wool