Hand warmers are typically sold as a pair. Just the front of each UT3 Lite heats up, but the back is a magnet so you can attach the two to use as a double-sided heater.
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I tested the viral rain jacket everyone is talking about, so here's my brutally honest review
People on the internet swear this jacket will keep you dry no matter what, so I tested it out for you. View Entire Post › ...
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