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Black Diamond Cosmo 350 Headlamp

geartrade  |  SKU: BD6206738001ALL1-Fall2025 DS-Octane-One Size
$3051 24% Off

Original price

$3995

Shipping calculated at checkout.
Condition
New  NEW
Never used. Shows no signs of wear. New items may have the original tags or come in their original packaging.

EXCELLENT
This gear should be like new with very minimal use and wear.

GOOD
This gear is still in good shape. There’s some wear and tear, but has plenty of life left in it. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, and minor but noticeable staining, etc.

FAIR
This gear is still usable and is in OK shape, but shows noticeable signs of wear and tear. Fair condition products likely have cosmetic blemishes throughout such as pilling, lint, animal hair, and dried dirt. Physical damages such as holes, tears, loose stitching, and staining are often found on Fair items. Fair items are valued for function over form.

Free Shipping on Orders $100+*

Free Shipping on Orders $100+

  • Offer valid on products purchased from the sellers Geartrade or Backcountry
  • Not valid on orders shipped to Alaska and Hawaii
  • Not valid on products in the following categories: complete bikes, bike frames, bike wheels, travel cases, kayaks, inflatables, pontoons, SUP's, surfboards,wakeboards, crash pads, windsurf boards, cargo boxes, car racks, skis, snowboards, tents, backpacks and coolers

FAQ's

Are the product photos of the actual items?

  • Yes! Geartrade does not use stock photos on their used gear. What you see, is what you get.
  • Some items in new condition may have stock photos.

Why should I buy used gear?

  • Good gear is built to last, you can save a lot of money and it's great for the planet.

I want to sell gear - what do you accept?

What is your return policy?

  • We offer a generous no-questions-asked 14 day return policy. You have up to 14 days to return your gear after it has been delivered. The item needs to be in the same condition we sent it to you (keep those tags on). Our full return policy can be found here: Return Policy

How fast do you ship?

  • Most orders placed before 1pm MST are shipped out that day. We ship Monday-Friday.
Why Geartrade?
  • Items are Hand-inspected by Gear Experts
  • Steep Discounts on Premium Outdoor Brands
  • Over 3 million pounds of gear diverted from landfills since 1999

Black Diamond built their Cosmo 350 Headlamp to keep camp comfortable, simple, and reliable night after night. With 350 lumens of power housed in a super compact, watertight body, the Cosmo 350 is perfect for urban adventures and overnighters in the woods. The Cosmo's new compact body is more ergonomic with a lower profile for improved balance, and the updated user interface includes a second switch for easy lens selection. The new Cosmo 350 is also Dual-Fuel compatible, allowing riders to power the light with either the rechargeable BD 1500 Li-ion battery or three standard AAA batteries. In addition, the updated optical efficiency not only provides brighter light, but also saves battery life. And thanks to its watertight construction, the Cosmo keeps lighting the way whether riders're forced to bike home in the rain, or riders're hiking back to camp in an unexpected downpour.

Product Condition

This item is in New condition. This item came from the manufacturer as an open box packaging return. The item has not been damaged and shows no signs of wear.

Tech Specs

  • Dual-Fuel: Maximum flexibility to utilize either Alkaline cells or a rechargeable Lithium Ion BD 1500 battery (sold separately)
  • 350 Lumen max output
  • Red LED night vision has dimming and strobe modes and is quickly activated with dual-button interface
  • Settings include dimming, strobe, red night-vision and lock mode
  • Multifaceted optical lens design
  • IPX8: Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate
  • it should be completely dried out after use in wet conditions
  • Integrated battery meter display shows % of power remaining
  • Patented digital lockout feature safeguards against accidental use when stored in a pack or pocket

Not everything needs to be new. Earth matters too.

Wear it Out ™

Your Security Matters

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