The HM65R-DT is a top-end headlamp designed for endurance trail running. It boasts up to 1500 lumens, a throw distance of 560 ft (170 meters), a warm white light LED (3000K) and a lightweight magnesium alloy build. Comes in three colors, plus a SPORT fit system for single-handed adjustment. Perforated headband for ventilation and comfort. Operates in temperatures from -35°C/-95°F to 45°C/113°F.