Helping people adapt and thrive
in extreme climates
Helping people adapt and thrive in
extreme climates
Wearable cooling for high-heat work.
Wearable cooling for
high-heat work.
You can't unhear this.
You can't unhear this.
You can't unhear this.
"I had a heat stroke.
I thought it was a heart attack… I didn't see it coming."~ Mike
Mason / Brick Layer
"I drank too much water and started vomiting. Sometimes I've had hot flashes."
~ Anthony
Independent Contractor
"I've seen people pass out… people fall through the roof. That was common."
~ Sean
Electrician
"I had a heat stroke.
I thought it was a heart attack… I didn't see it coming."
"I had a heat stroke.
I thought it was a heart attack… I didn't see it coming."
~ Mike
~ Mike
Mason / Brick Layer
Mason / Brick Layer

"I drank too much water and started vomiting. Sometimes I've had hot flashes."
"I drank too much water and started vomiting. Sometimes I've had hot flashes."
~ Anthony
~ Anthony
Independent Contractor
Independent Contractor

"I've seen people pass out… people fall through the roof. That was common."
"I've seen people pass out… people fall through the roof. That was common."
~ Sean
~ Sean
Electrician
Electrician

These aren’t edge cases.
They’re everyday realities we couldn't ignore.
These aren’t edge cases.
They’re everyday realities we couldn't ignore.
These aren’t edge cases.
They’re everyday realities we couldn't ignore.
That's why
we started Mexar.
That's why
we started Mexar.
"Twice I’ve fallen out from heat exhaustion.
I wish I had this earlier"
"Twice I’ve fallen out from heat exhaustion.
I wish I had this earlier"
A road construction worker in Arizona, after using Mexar Vapor in 110°F conditions.
We’ve spent the last two years
co-developing our technology with frontline workers, safety managers, and industry partners - testing and refining our product through successful pilots in Nevada, Arizona, California, and Pennsylvania.
A road construction worker in Arizona, after using Mexar Vapor in 110°F conditions.
0 M+
0 M+
Workers At Risk
Workers At Risk
Workers At Risk
Construction, agriculture, logistics, military, police, and athletics are heavily impacted
Construction, agriculture, logistics, military, police, and athletics are heavily impacted
0+
0+
Annual Deaths
Annual Deaths
Annual Deaths
~170,000 heat induced work injuries per year
~170,000 heat induced work injuries per year
$0 B
$0 B
Economic Losses/yr
Economic Losses/yr
Economic Losses/yr
$2.1 trillion/yr globally. (Reduced productivity, project delays, accidents, lawsuits)
$2.1 trillion/yr globally. (Reduced productivity, project delays, accidents, lawsuits)
We're building tools
for a hotter world.
We're building tools
for a hotter world.
Mexar began as our graduate thesis at the University of Pennsylvania.
What started as academic research quickly became something harder to ignore. People are living and working
in extreme heat right now, without the tools to stay safe.
We decided to build them.
Mexar began as our graduate thesis at the University of Pennsylvania.
What started as academic research quickly became something harder to ignore. People are living and working
in extreme heat right now, without the tools to stay safe.
We decided to build them.


We're building this with the support of exceptional people.
We're building this with the support of exceptional people.
Our advisors bring over 60 years of combined experience educating, developing, and bringing new technologies to market.
Our advisors bring over 60 years of combined experience educating, developing, and bringing new technologies to market.
Want to back us on kickstarter?
Want to back us on kickstarter?
We’re releasing a limited number of units on
Kickstarter for people with active outdoor lifestyles.
We’re releasing a limited number of units on Kickstarter for people with active outdoor lifestyles.
Sign up to be first in when we launch.
Sign up to be first in when we launch.



