Silva Free gives you more light in a smaller, smoother, and more versatile headlamp - all thanks to several innovative features. It’s got all the cables integrated in the headband for a better experience and optimal cooling for higher performance. All packed into the world’s first modular headlamp. The 3000 lumen lamp head unit is the strongest of three lamp unit in the Free series. The strong light output makes it perfect for most activities, such as trail running, skiing and biking.