Honu Backpack
Feel up to 20°F cooler in hot weather
Honu Backpack launched on August 26, 2021 with 90 votes, #594 of 2,953 launches that month and more than 75% of that year's launches. The site was not reachable when checked in September 2026.
What it does
This summer has been a hot one ️🔥️🔥️ and the IPCC report on climate change confirms that it's only getting hotter. The Honu is a new personal cooling pack with 60ft of thermally conductive cooling tubes that circulate ice cold water around your body.
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