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Comment by russellbeattie | Hacker News Reader

I read an article [1] years ago about how exercising with a glove that had coolant flowing through it enabled both athletes and regular exercisers to have longer lasting sessions because they could cool down more efficiently.

Since then, I've thought that something like a simple strap for the hand which had a copper plate for the palm and a bunch of heat dispersal fins like on a GPU on back of the hand, with some sort of liquid running through it to help pull out the heat would probably help quite a lot to help cool you down while exercising...

1. https://news.stanford.edu/2017/12/27/cooling-glove-helps-ath...

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I still think about this article. I was hoping to see some affordable product to come out of it, but haven't seen anything yet.

Although... 2017? Hmm. I thought I remembered reading about it 5-10 years ago. Maybe an earlier step in the research?

Oh, yeah. they've been working on it for years [1]. You're probably thinking about the same articles I am, from 2012 when all the blogs picked it up as "better than steroids" [2]. I'm with you - I thought they'd have a consumer product out by now. Also, there's some debate about whether this actually works, but I did some personal testing years ago when I had access to a treadmill and was able to jog longer with my hand cooled.

1. https://www.sciencedaily.com/releases/2004/10/041006085310.h...

2. https://gizmodo.com/stanford-is-building-a-body-cooling-glov...

Yep, I bet that's it—thanks! :-)

From 2002: http://news.bbc.co.uk/2/hi/health/2354135.stm

Referenced here: https://slate.com/technology/2012/09/avacore-technologies-ma...

I've spent an unhealthy amount of time trying to figure out how I could DIY it, but never came up with a plan that I thought was likely to work.

There's a product called Coolshirt that does this. Ice water from a small cooler is circulated through tubes in a vest that you wear.

I heard about them in a motorsport context (race cars typically don't have AC since it adds weight and the compressor uses a significant amount of engine power) but apparently they're marketed to firefighters and industrial workers too:

https://www.coolshirt.com/

I’ve seen a surgeon in my institution pick up something similar. He does a lot of ops under fluoroscopy, and those lead aprons get hot as hell.

The neck's a better place IIRC. Lots of blood running close to the surface, plus it moves around less than a hand when you're exercising.

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