Quote Originally Posted by TedKing View Post
I currently am wearing/using a Shoei J Wing helmet and and wondering if any of you have any opinion on how the sizing compares between the helmets.

I have a Shoei RF 1000 in size large and it's packed out to be a bit loose. I've had a Schuberth S1 in XL for about the same time period and it fits better. In the S1 I'd say go a size larger, that is if you have a Schuberth head. Haven't tried on a C2 yet but definitely will take a look.