Sanyo just announced this new product a couple days ago &mdash it's a battery-heated rechargeable neck warmer that zips up into a turtleneck. This would be awesome for ski season.
[Press release (Japanese)]
About Lisa Katayama
I'm a contributing editor here at Boing Boing. I also have a blog (TokyoMango), a book (Urawaza), and I freelance for Wired, Make, the NY Times Magazine, PRI's Studio360, etc. I'm @tokyomango on Twitter.