Serrius (Serius?) Hot Ratz. AC adaptor as well as an Auto plug. About $20. I got mine @ REI. Portable. Quite. Gets mildly warm but never Hot. Small enough to fit in gloves too. My boot liners are bone dry after a few hours.
You're only Young Once,.. but you can be Immature FOREVER!
2012/13 (48) days out!
2013/14 (42) days out!