I bought a large and it's a bigger than I expected.  I'm 6'3" and it hangs down about mid crouch and the sleeves are just above my elbows.  Solid quality good material. I definitely plan to buy more. ***edit*** these shirts are amazing. I work in a factory that gets up to 130 and I have to wear coveralls. These feel cool against my skin under my coveralls and make such a huge difference! Wore on a hiking trip. Got hit by a thunderstorm and was dry 10mins later. Best shirts I've ever owned!