In December, we took Mat Zero into a climate chamber at Energy House and turned the temperature down to –17°C.
This wasn’t theoretical cold. This was the kind of cold where batteries get grumpy, materials behave differently, and anything slightly inefficient makes itself known very quickly. We wanted to see whether the mat would do its job when the environment stopped being cooperative (put mildly). Admittedly, we were a little bit worried.
So we switched the mat on and paid attention to how quickly it started warming up, how the heat felt across the surface, and whether it stayed stable as the hours passed and the chamber remained properly frozen.
The mat didn’t flinch!
At –17°C, warmth isn’t about comfort, it’s about survival. The mat stayed warm and consistent the whole time without doing anything unexpected, which is exactly what matters when cold is constant and power is limited.
And this is where things start to feel genuinely exciting.
This testing is part of our build-up to piloting Mat Zero at Everest Base Camp, where it will be used in real expedition conditions with Adriana Brownlee. If anyone knows cold, it’s Adriana. She also knows what it means to rely on equipment in places where mistakes aren’t forgiving, and seeing the mat handle –17°C makes the jump from a controlled chamber to a mountain feel very real.
Everest isn’t a place for gear that’s fussy or overengineered. Everything you take has to earn its place.
A proper chilly performance test for Mat Zero done.
Next stop: Everest.
