Powersocks multifunctional footwear for sports and travel protect and stretch your feet » Gadget Flow
Sidas Heat Race S.E.T. Sock Powered by Therm-ic PowerSock S-Pack 700 - My Cooling Store
Amazon.com: THERM-IC PowerSock USB Durable Easy-to-Use Charging Cable with Charge Indicator - for Heated Sock Batteries - Batteries Not Included : Electronics
Therm-IC Powersock Multi Heat Heated Sock Set with S-Pack 700 Battery - RaynaudsDisease.com