Just received - so it's still too warm in south Georgia to wear! Very nicely constructed and classy style. However; nothing about this is oversized! But I'm okay with that as that's NOT the look I'm going for. I'm 5'7\\\" tall, long arms & torso, appx. 155 pounds, tall with a fairly thin frame and I got the large. I'm normally a medium but I decided to size up just to be safe.