I just got battery powered socks and wish I'd done it years ago. I went with the cheapest I could find that heated from both the top and bottom and had decent reviews.
I had to return defective ones that I loved but couldn't get replaced, and in doing so I learned a curved battery and USB C charging (vs micro) are common features that I'd probably be willing to pay more to get in the future... I just didn't realize I'd be living in these things and the couple extra $ would be worth it. All personal preference, but that's my two cents on features.
Item | Current | Lowest | Reviews |
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XBUTY 7.4V Heated Socks for Men Women - Upgraded… | - | - | 3.7/5.0 |
^Item Info | Bot Info | Trigger