Verified Buyer Reviewed by Ronin from Smoke Hole Canyon on Thursday, December 29, 2016
I have a fairly large head; I can't wear most large sized hats or helmets.

Regardless, I cannot imagine an adult wearing this helmet. My wife has a normal-sized melon, and it looks like a polyester yarmulke on her head. We gave this to a 9 year old child for a Christmas present, and it fit perfectly.
“Nice helmet” Next Review