2026 Cosmo 350 Headlamp

The essential tool for alpine starts and late-night descents.

The Black Diamond Cosmo 350 is a versatile, no-nonsense headlamp designed to illuminate your path through dark timber and rocky moraines alike. It provides the perfect balance of brightness and simplicity, allowing you to seamlessly transition from navigating a tight approach trail to organizing gear inside your tent without blinding your climbing partners. Built to withstand unexpected downpours and accidental drops, it is the dependable workhorse that ensures you are never caught out in the dark when the terrain demands your full attention.