Originally Posted by rockinrog
One size up worked for me on the 37. The complaints about the 37 were distortion in the shield and the chin strap too far back on the neck. Neither bothered me, but I use mine mostly with goggles during the summer except on cold evenings or when it rains then I used the shield.
what he said and certain head shapes (not all) will complain of pressure on the forehead. in general, after selling hundreds of these, I will say feedback on them is positive and always with the disclaimer "for the price". I like them. Happy to sell them.