How long does the battery last?

About 3 hours on high (140F), 5 hours on medium (120F) and 7 hours on low (100F). Carry a spare battery for full days on high.

Are the batteries included?

The liners use Gerbing's 7V batteries, which are sold separately in most listings. Check the listing contents before buying.

Will they fit inside ski boots?

They are thin liners, but the battery pack sits at the calf or boot top. In very snug boots, size up or route the battery outside the shell.

How do they compare with heated insoles?

Sock liners warm the top and sides of the foot as well as the sole, which helps more with toe chill. Insoles take less room in the boot.

Is $74.95 a good price?

It is the lowest of the 5 stores listing it new as of November 4, 2026, so it is a fair entry price. Factor in the cost of batteries and a charger if they are not included.

Where is the Gerbing 7V Battery Heated Sock Liner cheapest?

At eBay, for $74.95, 63% under what the other stores charge, as of our latest check.

Where can I buy the Gerbing 7V Battery Heated Sock Liner?

5 stores we checked sell it, including eBay, DICK'S Sporting Goods, Target, Walmart, Amazon.

Gerbing 7V Battery Heated Sock Liner

Best price now

$74.95at eBayVerified

63% under what the other stores charge

Compared across 5 stores. Prices are checked against each store and labelled with when.

Visit eBay

Ask our shopping agent

Our take on the Gerbing 7V Battery Heated Sock Liner

The Gerbing 7V Battery Heated Sock Liner is a battery-powered sock liner with three heat settings: 140F on high for about 3 hours, 120F on medium for 5 hours, and 100F on low for 7 hours. It is built for cold-weather wear inside boots, ski shells or waders, where a heated insole alone doesn't warm the toes. The best new price is $74.95 at eBay as of November 4, 2026, the lowest of the 5 stores listing it new.