The Bright As Day 800 delivers up to 800 real lumens throughout its full battery runtime — no dimming as the charge drops. Four brightness settings, plus SOS and flash modes, cover everything from bike commutes to deep backcountry nights. A screw-lock battery connection keeps things secure.
Every lamp comes with an extension cable so you can stash the battery in a pocket or vest, cutting weight on your head and easing neck strain. In cold conditions, body-stored batteries also hold their charge longer.
The 21700 lithium-ion cell offers over 25% more capacity than the 18650-type cells found in comparable headlamps — a meaningful difference on long efforts. It's a go-to for ultra runners and endurance athletes who need power and runtime without the bulk. Race-proven at Hardrock 100, Western States, and UTMB 2022.
IP67-rated for full water and dust protection. Ideal for trail running, hiking, mountaineering, and bike commuting. For the longest days out, the ultra pack variant adds a spare battery.
