Originally Posted by Lieren

So, I commute daily in Philly, where the summers (and springs and falls) can be succinctly described as "disgustingly hot." As a result, the lining of my helmet has taken on a certain sweaty stink that I can't figure out how to get rid of. I've already removed and washed everything that can be removed and washed, but there's a layer of padding that can't be removed and is harboring some serious stink. Does anyone have any ideas about how to rehabilitate this helmet?