SKU: 90035878320

Black Diamond Onsight 375 Headlamp

Sale price$71.95 Regular price$79.95
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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Description

Black Diamond Onsight 375 HeadlampDeveloped after rigorous testing while night climbing on the limestone walls of Mexico, the Onsight is our purpose built solution for climbers seeking additional climb time after the sun has set. A climbers desire for simplicity and robustness were built into every aspect of this light from the single button architecture to its fully submersible IP67 waterproof construction. Youll first notice the Onsights dual beam configuration, which provides the

Developed after rigorous testing while night-climbing on the limestone walls of Mexico, the Onsight is our purpose-built solution for climbers seeking additional climb time after the sun has set. A climber’s desire for simplicity and robustness were built into every aspect of this light from the single button architecture to its fully submersible IP67 waterproof construction. You’ll first notice the Onsight’s dual-beam configuration, which provides the two main lighting modes climbers need most. The main Climbing Mode was optimized for illuminating the holds or trail directly in front of you with 300 lumens of wide evenly dispersed light that doesn’t glare when you’re looking for the next crimper or small foothold. The secondary Route-Finder Mode adds a powerful, narrow, long-distance beam and increases the total max output to 375 lumens allowing you to spot anchors or search for trails off in the distance. We’ve added dual PowerTap™ technology to easily toggle between Climbing and Route-Finder Modes by touching both the right side and left side of the front housing. Providing flexibility, the Onsight is Dual-Fuel compatible and can be powered with either our rechargeable BD 1800 Li-ion battery or with three standard AAA batteries. The front housing is ultra-thin and has extra articulation built into it allowing you to get close to the wall and still see everything you need to see around you. Finally, at the highest waterproof rating of IP67, this light is fully submersible and dustproof, meaning it’s completely sealed and won’t be phased if you’re caught out in the rain.

  • Emits up to 375 lumens on max setting
  • Dual-beam configuration, providing the two main lighting modes climbers need most: Climbing Mode and Route-Finding Mode
  • Climbing Mode illuminates the holds or trail directly in front of you with 300 lumens of wide evenly dispersed light
  • Route-Finder Mode adds a powerful, narrow, long-distance beam and increases the total max output to 375 lumens
  • Dual PowerTap™ technology easily toggles between Climbing and Route-Finder Modes by touching both the right and left side of the front housing
  • Dual-Fuel: Maximum flexibility to utilize either the rechargeable Lithium Ion BD 1800 battery or Alkaline cells (Alkaline batteries included, Lithium Ion BD 1800 battery sold separately)
  • Ultra-thin front housing with extra articulation
  • Perforated elastic headband for breathability and lightweight performance
  • Six-setting 3 LED battery meter
  • Brightness Memory allows you to turn the light on and off at a chosen brightness without reverting back to full or mid-power
  • Digital lockout feature safeguards against accidental use when stored in a pack or pocket
  • IP67: Waterproof and dust proof—Unit is completely sealed and tested to operate up to 1 meter underwater for 30 minutes. Requires no maintenance after submersion.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90035878320

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Reviewed in the United States on April 9, 2022
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Heather S.
Charlottesville, US
★★★★★ 5
Great vest for a great price!
This vest is more slim fitting, stylish, & flattering than many vests. It fits as expected, but it is adjustable in the back, so you do have some wiggle room to tighten & loosen it if you’re unsure about the size. My son wore this vest to homecoming. He is 5’ 10” & 150 lbs, & the size small was a good fit.
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Reviewed in the United States on October 20, 2022
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Max R.
Fort Morgan, US
★★★★★ 5
Great Quality Vest
Great quality vest versatile for all occasions. I personally felt it ran a bit tight (I ordered a large and felt like I was sucking in a bit the whole time) but I think an XL would have been too big. Overall impressed and happy with purchase.
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Reviewed in the United States on January 2, 2025
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RichieVee at the Piano
Waukegan, US
★★★★★ 3
BUTTONS LIKE A SMALLER SIZE. GOOD QUALITY.
DESIGN IS EXCELLENT. QUALITY IS FINE. I WEAR A LARGE, BUT THIS VEST, IN A LARGE, DID NOT ALLOW ME TO BUTTON ... AS IF IT IS A MEDIUM FIT. WILL RETURN, BUT IT IS A VERY GOOD VEST OTHERWISE.
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Reviewed in the United States on September 23, 2025
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David Bays
Lake Worth, US
★★★★★ 5
Well made and looks great.
This vest fits well and is well made. It feels tailored. I feel great and look good wearing it.
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Reviewed in the United States on December 3, 2025

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