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Hot Forge Heated Chalk Bag

Item# BD630115BLAKM_L1
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The ultimate for cold cragging days or for climbers who suffer from cold hands, the limited edition Hot Forge Heated Chalk Bag’s innovative 3-level heating system lets you dial in the exact level of warmth for any condition.


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Cannot be used with oversized items or skis

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Sure, we’ve all been there. You’re lured in by “sending temps” then BAM! You’re hanging on the end of the rope due to a case of numb fingers. Well, at Black Diamond, we set out to once and for all crush the problem of numb fingers, and now we’re proud to introduce the Hot Forge Heated Chalk Bag. Built for climbers who suffer from cold hands, or those who are in constant pursuit of high friction but still battle with numb tips, the Hot Forge Heated Chalk Bag combines our innovative 3-level heating system utilized in our ground-breaking Solano gloves, with the technology of our Hot Forge insulating jacket, to give you the ultimate sending machine. By combining 80 gram insulation with our Hot Forge design, we landed on a bag that not only houses the heating element, but also traps heat effectively. What we created is a revolutionary heated chalk bag with three different temperature settings depending on the level of numbing out you typically experience given the ambient climbing conditions.

  • Heat your fingertips, knuckles and palms by gripping the ergonomically-designed heating element
  • Lightweight fabric shell surrounds the heating system
  • 80 g Thinsulate® insulation helps retain the heat
  • Includes Lithium-Ion battery and wall charger with international adapters 
  • Battery Life with Full Change: Low- 6-8 hrs; Med- 4-6 hrs; High- 2 hrs

Tech Specs

Tech Specs

Weight :   Bag - 92g: Bag with Battery - 175g: Just Battery - 83g
Hot Forge Heated Chalk Bag - Level, Temp, and Time Chart
Hot Forge Heated Chalk Bag is rated 4.1 out of 5 by 35.
Rated 5 out of 5 by from Awesome Never thought I would need a heated chalk bag but it is absolutely awesome!!! I climb 3 days a week and need a second battery.
Date published: 2020-03-02
Rated 3 out of 5 by from It is ok It doesn’t heat up my hand when it is really cold out but it is a little bit warm
Date published: 2020-01-02
Rated 5 out of 5 by from Unique and useful! I recently received my heated chalk bag. It seems well made and after charging, it works fine. The three levels of heat is a great idea too. Can’t wait to try it outside.
Date published: 2019-12-14
Rated 4 out of 5 by from Clutch for training in cold conditions I had a project near a waterfall and the holds would get really cold. Sometimes I couldn’t feel my fingers after a few clips. This changed the game. I was able to train in less than perfect conditions. Although extra batteries would be nice.
Date published: 2019-12-05
Rated 1 out of 5 by from Terrible Used this in 40+ degree weather. Bag threw off minimal heat, even at highest setting. Heating element location felt awkward as well. Partner used bag and had comparable experience.
Date published: 2019-10-14
Rated 3 out of 5 by from Great concept, poor execution :/ As someone with Raynaud’s this was something I had been looking for as an alternative to messy and mediocre chemical hand warmers. Unfortunately the charger is an archaic and proprietary 8.4V pin connector that, once lost or broken, is difficult to find online and BD doesn’t sell spare batteries or chargers. It would be prudent of BD to sell spare parts or at least make the single set of Li-ion batteries rechargeable via a USB/micro-USB so if you lose the charger (which you likely will) or want to charge off a portable battery pack you have options. But not with this product. Hopefully they correct this functional issue as this is the only reason people would spend this much money on a chalk bag is to have the functionality of a battery heated chalk bag. Duh!
Date published: 2019-10-14
Rated 4 out of 5 by from Awesome but... It is a brilliant idea, easy to use, effective in cold weather. However, Black Diamond doesn't sell spare batteries. If you are out on a long cold day, you will miss on the spare batteries. Looking forward to being able to buy one.
Date published: 2019-07-07
Rated 5 out of 5 by from Not just for your hands! Bought this chalk bag 2 months ago and it works like a charm. Not only does it keep my chubby little sausage fingers warm, it keeps my soggy burritos warm while sending it big on little problems.
Date published: 2019-02-18
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