This is a pair of heated Insoles. They are designed to fit into your shoe or boot to heat your foot. They plug into the Gerbing's heated pants, pant liners, jackets, jacket liners or can be used alone.  

»   Utilizes Gerbing's Hybrid Heating System »   Power directly from a 12v electrical system, or »   Power them from one of our optional 12v Lithium battery packs »   Includes one free fused battery harness and Y-harness. »   Heats entire surface area »   Lifetime warranty on the heating elements           Specifications Heat Microwire® heat technology Source 12-volts DC Current 1.2 amps/pair Watts 15 watts

Insole Size from a Woman's Boot Size

Women's Boot Size	5 - 6	6.5 - 7.5	8 - 9	9.5 - 10.5	11 - 12
Insole Size	XS	S	M	L	XL

Insole Size from a Man's Shoe Size

Men's Boot Size	4 - 5	5.5 - 6.5	7 - 8	8.5 - 9.5	10 - 11	12 - 14
Insole Size	XS	S	M	L	XL	2XL