Product details:
Thin, form-fitted construction for an easy fit with existing boots. The top of the toe box has a dedicated heat panel to direct heat to toes for the most effective foot warming where you need it most. Warm & Safe Heated Socks plug into the Heated Pants Liner or can be used alone via extension cable P/N 522246 to your Heat-Troller. Includes the latest heating element technology with no wire feeling. 9-Watts output per sock.