I just got the AFX39 in medium and its going back....way too tight...as one poster put it, my nose hits the front of the helmet. Exchanging it for a large. Hopefully that will work out better.
Don't go by their size chart...by their chart I fit clearly in the medium range but it was ridiculously tight.
"Beer cans explode with a nice loud pop when they are hit by a Heidenau K60 at 40 miles an hour. Now my bike smells like last call..." Me