Originally Posted by
blickblocks
The thing is though, for winter riding it's nice to have a cover which blocks the ventilation. If your helmet doesn't have ventilation anyways...you're golden (and sweaty).
I think I'll just end up going with that Bell I linked. I can't find anything remotely close in color.
Clear tape over the vent holes in winter. Cheap and oddly effective. I actually find it very easy to overheat during winter riding, even here in chilly New England, and appreciate good some vents in winter.