Silva Free 2000 M True Lumen Headlamp 8.8deal The ergonomic battery holder is so you can take The ergonomic battery holder is designed to hold the battery steady on the back of your head – but can be detached and replaced by the back cable guide if you want to keep your headlamp clean and simple – either solution lets you carry the battery in your pocket to keep the weight off your head The bold burnt orange frames are like a vibrant sunset and look great against aviator green lenses four batteries and three mount options Choose 2000 lumen for high speed activities in demanding terrain like ski mountaineering and mountain biking