More About Motocross Helmet Nz Back of Head: You shouldn't be able to slide more than one finger in between the nape strap and your neck. Here's a little method we love: once the strap is fastened, try rolling the motorcross helmet onward off your head. That's what we want! https://accessoriesauto81009.blgwiki.com/999860/motocross_helmet_nz_for_dummies