ULTRA-LIGHT AND COMFORTABLY ADJUSTABLE LED TORCH: the lightest LED headlamp on the market, weighing less than 1.7oz individually, the headlamp can be adjusted by 60° and is securely fastened to avoid wobbling and sliding during operation. The headlamp features a comfortable elastic headband with a 30in length, which simply adjusts to your head circumference to fit your head perfectly, even when worn for long periods of time.