Petzl Megabelt Headlamp:
The Petzl MegaBelt lamp is a tough, practical, rainproof lamp. The focusing zoom lens can be tilted upward or adjusted straight down for map reading, writing, gear repairs, etc. The battery clips to belt, stows in pack or comfortably stuffs in your jacket pocket. Especially sturdy, the MegaBelt is a popular light source for professionals.