Yes I wear a helmet. I bought a snowboarding helmet and modified it to fit around my mask. The inner foam just needed some trimming. I picked mine up used for about $15 on ebay. Mine is a Berm I think and it is so lightweight I can't tell I have it on. I went to the local store and checked out models to find a low profile one and to get the size. Overall it turned out great. I use it mostly for CQB games.

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"Only the strong survive. The weak are killed and eaten as fingerfood." SDI SSgt Patterson, Platoon 1077 USMC