Benefits & Features
Wearable Body Cooling System
Get Cool Faster
Feel the heat dissipate as soon as you put it on.
Ergonomically & Comfortable
Take A Hike!Our lightweight cooling system can be worn under your regular clothing, uniforms during athletic training, motorsport gear, hiking equipment, and much more.
Uniform Cooling Distribution
Even Cool All Over
The water bladder will circulate cold through the entire shirt to cool you rapidly when properly connected to the included 5V lithium battery.
Keeping Your Cool
Continuous water flow helps you safely regulate your body’s natural temperature despite intense activity or ambient heat.
Easy To Use
You don’t have to mess with fussy cables or complicated straps. Anyone can use this cooling system.
Safe And Reliable
It Works Hard So You Can Work Harder
Thanks to its long operating time, you don’t have to worry about losing your cool halfway through a sweaty hike or a tough job.
Keep Cool No Matter What
- Wear it under clothing or uniforms and use it during activities like athletic training, motorsports, hiking, industrial work, and more.
- Our water cooling technology has proven to be three times more effective at reducing the human body's core temperature compared to other cooling methods.
- The MRCOOL® backpack holds a special water bladder similar to those found in hydration backpacks.
- When connected and powered by the included 5V lithium battery, the cold water stored in the bladder circulates through the shirt piping and cools the wearer for hours.