Skip to main content

This sleeping bag liner has a heater so you can keep your toes and core toasty

Ravean LIfe - Sleep. Naked. Camping.
Ravean is known for its groundbreaking heated jackets that provide electric heat with only a small amount of bulk and minimal damage to your wallet. Now the company is bringing that heating technology to the camping community with its latest Kickstarter project — a heated sleeping bag liner.

The Utah startup is promising to revolutionize your outdoors sleeping experience with two different sleeping bag liners that provide radiant heat at your core and feet. Rather than replace your existing sleeping bag, the Ravean solution fits inside your sleeping bag, with zippers, drawstrings and adjustable heating elements for the perfect fit.

Recommended Videos

One version of the bag is designed with a mummy shape and can be used inside a sleeping bag, or as a standalone sleeping bag in warmer temperatures. Another version of the heated liner can be worn as a jacket around camp, allowing you to sleep in the liner and then make a few adjustments to convert it into a camp jacket. The jacket version adds sleeves and a hood with heating elements for even more warmth in cold camping weather.

Please enable Javascript to view this content

Each liner comes with a newly designed 12V battery that can be used to charge mobile devices while you sleep. The new batteries are available in either 7800mAh or 15600mAh capacities, with both versions providing up to 12 hours of operation time depending on the settings. The latest version of the batteries features a compact, curved profile that is designed to fit that shape of your torso. It also is water resistant and includes a silicone mesh cover that helps keep the battery in place while you toss and turn in your sleep.

Lie it did with its heated jackets, Raven is using crowdfunding to raise the necessary funds to produce the sleeping bag liners and the new power cells. The bag liner Kickstarter project already has surpassed its initial funding goal of $20,000, accruing more than 500 backers who have collectively pledged over $100,000. The batteries and bag liners are available in different configurations, with the batteries alone costing $79 for the 7800mAh cell, while the entry-level bag without a battery is priced at $149. Ravean plans to deliver its bag in October of this year, at which point the price will jump to $99 for the lowest capacity battery and $199 for the liner.

Kelly Hodgkins
Kelly's been writing online for ten years, working at Gizmodo, TUAW, and BGR among others. Living near the White Mountains of…
This Keurig coffee maker is nearly half-price after a $70 discount
The Keurig K-Classic on a counter.

For those who are planning to buy a coffee maker, we highly recommend checking out Keurig deals, especially this one from Amazon: the Keurig K-Classic for only $80, following a limited-time discount of $70 on its regular price of $150. There's no telling how long you've got before you miss out on the savings, so if you're interested in this coffee maker and you want to get it for nearly half-price, you're going to have to complete your transaction for it as soon as possible.

Why you should buy the Keurig K-Classic coffee maker
If you need coffee to wake up in the morning and get through sluggish afternoons, then you're going to want a coffee maker in your kitchen or home office. You can't go wrong with the Keurig K-Classic, which uses the brand's K-Cup Pods to make different types of coffee. There's no need to grind the coffee beans yourself, or to create the mixtures by hand -- just pop the K-Cup Pod into your Keurig K-Classic, choose between cup sizes of 6 ounces, 8 ounces, or 10 ounces, and your coffee will be ready in less than a minute.

Read more
The Dreame Z1 Pro Robotic Pool Cleaner takes the hassle out of pool maintenance
the dreame z1 pro robotic pool cleaner takes hassle out of maintenance img 6328

Robot vacuums are out. Robot pool cleaners are in (the deep end). In addition to the noteworthy Dreame X50 Ultra, the company has introduced the Z1 Pro robotic pool cleaner. At first glance, it looks like the world's bulkiest robovac. With large treads instead of wheels and dual brushes on the front, the Z1 Pro looks like a cross between a tank and spaceship.

There's a reason it's significantly larger than household bots, though. Navigating through the water is more difficult from a physical standpoint, but it's also trickier for the navigation system. The Z1 Pro utilizes a combination of ultrasound, 3D structured light, and infrared to make its way through the depths, but what stands out most is its ability to handle elevation shifts. Early models of robot pool cleaners struggled with dips in the floor of the pool, but the Z1 Pro can clean not just the floor but also the walls (by literally climbing them) and the surface of the water. It will float atop your pool and act as a skimmer, too.

Read more
Robotic pool cleaner with jaw-dropping 15-hour battery life revealed at CES 2025
iGarden TurboX Master

Tech company iGarden revealed several new products at CES 2025, but the TurboX and TurboX Master robotic pool cleaners were undoubtedly the most exciting. Both are designed to make pool maintenance effortless -- but it’s the TurboX Master and its staggering 15-hour runtime that stood out from the rest of the iGarden lineup.

The iGarden TurboX Master is expected to launch in April, and it’s poised to make waves in the robotic pool cleaner marketplace. While most products can only run for a few hours before needing a recharge, this one can clean for 15 hours before running out of juice. In fact, iGarden says it holds the Guinness Record for the longest continuous operation of a robotic pool cleaner. This is due to its unique AI-inverter technology, which results enhanced battery efficiency without skimping on a premium clean.

Read more