PHOOZY Phone Protector
By Blair Braverman
This unassuming "phone coozy" has a chromium-infused shell that borrows technology from astronauts' boots and gloves. Here on Earth, it insulates your cell phone's battery from charge-sapping temperatures down to minus 20 degrees, doubling the device's run time.
Check out all of the "Stress Tested Mission-Critical Gear For When the Mercury Drops" in the January/February 2018 issue of Outside Magazine.
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