Ask IndefinitelyWild: What's The Best Add-On Camping Insulation?

You’re out camping when suddenly it’s colder and wetter than expected. What’s the best add-on or emergency insulation you can bring that doesn’t take up too much space or weight in your pack? Space blanket, emergency bivvy, silk sleeping bag liner...tell us your experiences. » 5/20/15 6:25pm 5/20/15 6:25pm

Could Humble Milkweed Replace Down Feathers In Your Outdoor Gear?

Down is the most effective commonly-available insulator for outdoors apparel. But, it's also expensive, loses its ability to insulate when wet (if untreated) and — there's no way around this — is horribly cruel to most of the ducks and geese who donate their underfeathers. Now, there may be a real alternative:… » 4/16/15 5:00pm 4/16/15 5:00pm

Lukla Endeavor Hands-On: An Aerogel Jacket That Doesn't Overheat

The first time I held a piece of aerogel was one of those reality-bending experiences that reorganizes the molecules of your brain a little. It was a block about the size of a Rubix Cube, it looked like a faint wisp of cloud, and it weighed nothing. Not literally nothing—but so little that my body could not perceive… » 4/06/15 3:10pm 4/06/15 3:10pm

This Inflatable Jacket Uses Air To Keep You Warm

In a sense, every piece of clothing uses air to keep you warm: fleece, or wool, or down feathers trap air, and keep your body-generated heat from escaping into the nasty cold outside world. But NuDown's jackets want to take that a step further, giving you an inflatable jacket that's basically like wearing an air… » 12/15/14 9:02pm 12/15/14 9:02pm

This Handsome Brick Facade Is Insulation That Snaps on Like Lego

We all like the idea of saving energy, but actually retrofitting an old house is a loud, messy, and expensive headache. So the Dutch company Energiesprond has come up with a way to make houses carbon neutral with easy, snap-on insulation and solar panels. It doesn't hurt that houses come out looking quite handsome,… » 10/30/14 2:51pm 10/30/14 2:51pm

Insulating Foam Made From Wood Makes Your Log Cabin Warm and Authentic

Not only is styrofoam great for all your packing needs, it also makes for an incredibly effective and lightweight insulator. It's just too bad the chemicals and processes needed to make it aren't as earth-friendly as they could be. So researchers at the Fraunhofer Institute have successfully created an alternative… » 3/20/14 4:40pm 3/20/14 4:40pm

Can This Insulated Pillow Sack Really Replace a Slow Cooker?

Second only to the microwave as the appliance lazy chefs rely on most, the slow cooker is the easiest way to prepare a meal when you really don't want to pay attention to the process. But the Wonderbag promises to further improve the joy of slow cooking by not requiring a power source to finish off a meal. What… » 4/15/13 2:20pm 4/15/13 2:20pm

Homemade Experiments with Aerogel, the World's Lightest Solid

Jason Wells got to toy around with a few blocks of Aerogel, the fantastically light ( and fantastically expensive » 8/26/08 8:10pm 8/26/08 8:10pm) material made famous by its use as insulation in NASA spacecraft like the Mars Rover. Using just everyday materials from his house, he managed to test the futuristic product's strength, optical properties,…