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 true modular headlamp series. The Free 1200 S (1200 lumen headlamp + 21.1 Wh battery) is the ultimate lamp and battery combination for cross country skiing, ski touring, trail running and longer training sessions.