Quote Originally Posted by Kimmyt
Good ones are made by Petzl and can be found at any outdoor retailer. Just remember not to talk to someone while you are wearing yours because you will blind them and they will hate you forever.
I have one by petzl that has a little flip-up red lens window that makes for much friendlier light in the tent and around people. Also, if you get one with a ratcheting adjustment you can angle it out of the way easily.