This seems to fit the bill.

callum13 said:Its a kayaking helmet i know this because i was there but i odnt like to talk about it ......
So here is the question, whats the best helmet money can buy for ops? I don't mean to look ally as fook in front of Terry, but for actual protection? Are there studies that gauge how our Mk6a or Yank helmets compare to commercial ones?
ugly said:You need a bog standard Mk6, ditch the cover and write "Rogue Trooper " on it in Marker pen whilst your stunt double does the same only writing "Clone" on his eh Woody?