BioLite HeadLamp features 3D SlimFit Construction that eliminates bulky, uncomfortable wearable headlamp. You can say goodbye to that doorknob sticking out of your forehead. Featuring 330 lumens and 4 lighting modes, this headlamp fits your head comfortably, it won’t be like conventional headlamps, heavy and weird. BioLite has integrated all electronics into the fabric thanks to a custom molded housing, in this way, all your lighting can be transformed into ultra-thin facing, designed to fit just as a contact lens.