Black Diamond
Black Diamond Cosmo Headlamp Black, One Size
Available through Backcountry.com
$33.71
Listed price · Catalog refreshed November 15, 2026. Confirm the latest price and availability with the retailer.
Catalog availability: InStock
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A closer look
The Black Diamond Cosmo headlamp includes a dedicated Red LED with its own adjustable brightness and strobe settings, so checking a map or digging through a pack at night doesn't mean blasting full white light into already-adjusted eyes. A dual-button interface switches between white and red light without cycling through unwanted modes first. Dual-Fuel compatibility runs the Cosmo on three AAAs or an optional BD 1500 battery, which charges directly in the headlamp over USB-C. What Our Gearhead® Experts Are Saying:"I heard something moving near camp and flipped straight to the red light instead of blinding myself and everyone else with white beam. I could actually see what was out there instead of just a wall of glare."
- Brand
- Black Diamond
- Size
- One Size
- Colors
- Black
- SKU
- BLDZACD-BLA-ONESIZ
- Catalog category
- Hardware > Tools > Flashlights & Headlamps
Product information and images are supplied by the retailer through Impact. Catalog listings do not imply hands-on testing. Confirm sizing, delivery eligibility, shipping, and returns with the retailer.
