You know, I wish someone would post " how a helmet should fit " because when I purchased my bike the feedback on that issue was not what I would expect from a dealer selling bikes that run 185 mph off the showroom floor. I know my heads a little fat so I went with the XL. Now I wonder if a large would have done the trick. Lets see....that was 400.00 uh let me try another...Shoot for 6 this time...sweeeeeet. NOT