Petzl Swift RL review: the reactive headlamp for moving fast in the dark
For an alpine start at 3 a.m., a technical trail run in the dark, or a ski descent under headlamp, a basic light is not enough. You need serious output and a beam that keeps up with you. The Petzl Swift RL throws 1100 lumens from a 100-gram headlamp and, thanks to a light sensor,…