We’ve seen USB slippers before, but this one’s special in two ways.
https://gizmodo.com/toasty-v2-0-usb-heating-slippers-139417
One, they’re more like booties and cover your entire foot, plus your ankles. No part of your foot will be exposed to the elements.
Second, they come with a bear attachment. OMGWTFBBQ bear attachment! This is the best thing we’ve ever seen.
Product Page [Busytrade via Gizmodo Japan]