Kulkea’s Thermal Kart warms ski boots before the first run

If you buy something from a link in this article, we may earn a commission. Learn more

Cold ski boots can turn the first few minutes of a mountain day into a wrestling match. A stiff shell doesn’t want to open, and the bag that carried your boots is usually no help. Kulkea’s new Thermal Kart puts the warmer and the travel bag in the same place.

It’s a 40-liter backpack with a heated compartment for two boots. The heating system wraps around them and transfers warmth by direct contact, with low, medium, and high settings. Kulkea says the warmth can soften boot shells for easier entry. That sounds useful for an early drive to the resort, especially if your boots have spent the night in a cold garage or car.

Price: $279.95
Where to buy: Amazon | Kulkea

A warmer you can carry

The practical sequence is straightforward: load the boots, plug the bag into a wall outlet while you’re getting ready, and use the included 12-volt vehicle connection to maintain that warmth on the drive. Once unplugged, the bag stops actively warming the boots.

Kulkea rates the highest setting at up to 140°F and says not to heat the bag for more than eight hours. Those are useful limits to know before turning it on overnight. The product page also says the bag fits ski boots up to Mondo 29.5. If your boots are larger, that’s a check to make before ordering, even if the 40-liter capacity sounds generous.

The top-loading boot compartment nests the boots together. A retractable sling carries the helmet outside the main compartment, leaving room inside for goggles, gloves, socks, and light layers. The exterior has a water-resistant ripstop body and a waterproof tarpaulin base and sides, so the bag is set up for wet parking lots and lodge floors. Kulkea has added padded shoulder straps, a ventilated back panel, and a sternum strap for the walk between the car and the lifts.

There’s a clever travel angle here, too. Kulkea designed the Thermal Kart as a carry-on-friendly bag with a luggage pass-through, so your boots can stay with you on a flight instead of disappearing into checked luggage. But “carry-on-friendly” isn’t a universal airline allowance. Check your carrier’s size limit with the bag packed, particularly if the helmet is hanging outside it. If you fly with it, plan to warm the boots before or after the trip when you have a compatible outlet.

Who would actually use this?

The Thermal Kart makes the most sense for someone whose boots are painfully stiff when cold and who already travels with a dedicated boot bag. It combines two jobs that might otherwise call for a separate warmer and backpack. The smaller 40-liter layout favors boots and the essentials over a full change of clothes and every piece of ski gear you own.

It’s a more specific purchase than a normal boot backpack. If your boots already slip on easily or you rarely have access to a wall or vehicle outlet before skiing, the heated compartment may not earn its $279.95 price. Kulkea’s 62-liter Thermal Trekker is the roomier heated option, while this one is aimed at the skier who wants a tighter travel load.

Price: $279.95
Where to buy: Amazon | Kulkea

I like that the design starts with a real annoyance instead of adding a heater just to create another powered gadget. The unanswered part is how much the warmth changes a particular pair of boots in ordinary use. For now, the best reason to consider the Thermal Kart is clear: it gives your boots a warm start while keeping the rest of your ski-day kit together.

Love our content? Sign up for our newsletter today. No ads, no spam, just links to our latest articles!