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- Proprietary technology cools to 30 degrees below average body temperature when wet
- Chemical-free, UPF 50 protection from the sun; helps defend against dust, debris and wind
- To activate cooling technology soak in water, wring out excess and snap three times; one size fits most
- Typically cools for up to 2 hours when wet; to reactivate, simply re-soak and re-snap
- Can be worn in more than 12 ways including as a headband, scarf, neck gator, hood, cap, do rag, facemask and more
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From the manufacturer
How to Activate your Mission Multi-Cool
To activate the cooling technology first soak your Mission Multi-Cool thoroughly in water.
Next, wring out the excess moisture from your Mission Multi-Cool.
Finally, snap your Mission Multi-Cool three times. Cools instantly to 30 degrees below average body temperature and stays cool for up to 2 hours when wet. To reactivate, simply re-soak and re-snap.
We’ve changed the game by working directly with world-class athletes and scientists. Mission cooling accessories were engineered for elite athletes to help them keep cool during high-intensity training or competition.
Our Mission: Pioneer thermoregulation innovations to maximize athletic performance and safety.
Athletes never quit. You use up to 80% of metabolic energy on maintaining optimal core body temperature, and you know the critical importance of thermoregulation. The new HydroActive cooling technology instantly cools when wet to 30 degrees below body temperature, keeping you cool and comfortable so you can focus on beating your personal best.
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Most helpful customer reviews on Amazon.com
Before a hike, I soak it good at home or camp and store it in a ziplock bag. When I get to the trailhead, I wring the excess water out into the ziplock bag, then save that water to re-wet the cloth later. There are no opportunities for water later in the hike so every drop is important on a 2 hour or longer hike in that heat. The instructions say to give it three snaps after wringing it. Some marketing guy thinks he's brilliant for coming up with that one, but it's pointless and potentially wastes water. I stretch the cloth to distribute the moisture, but snapping it doesn't make any difference. You might as well click your heels three times. There is nothing to "activate". Water on cloth evaporates. Evaporation is one of the few things we can depend on. Sort of like gravity in that respect. I rarely have to activate my boots to hold me on the ground.
I initially wear it as a neck wrap, tucking the excess inside my shirt collar. This keeps my neck cool, and cools the blood supply to my head keeping my head cooler. Excess water is absorbed in my shirt where it evaporates and adds to the cooling effect. In ~30% humidity, the cloth stays cool for about 30-60 minutes or more. Periodically, I reach inside the wrap, grab the bottom hem and pull it to the top, thus flipping it and putting the wetter end around my neck. I can feel the cooling, but I can also feel the effects of a cooler head. My thinking is sharper, and I don't fatigue as easily--both good things hiking alone in a desert without trails.
As the day heats up and a hot wind materializes, I pull the top hem up in the back as a hood, but I don't pull it up anymore than I need to keep it in place. My ventilated hat lets the sweat in my hair continue to cool me while keeping the sun off. The moisture in the cloth evaporates faster, but that's what you need as it gets hotter and more windy. If it gets too dry, I sometimes remove the cloth and re-wet it in the ziplock bag. I don't pour water on as it is too wasteful where freerunning water is non-existent.
Another trick I use is to keep track of how my throat feels. In a dry climate with lots of exertion (e.g. uphill), my throat dries out from respiration. When that starts to happen, I pull the top hem over my nose and mouth and breathe through the cloth. This reduces moisture loss as you breathe. The cloth captures moisture as you exhale keeping your throat from feeling dry. That recycled moisture keeps your face cool. Moisture management lets you hike longer and safer. I don't do this unless I feel the need as I honestly can't stand to have anything covering my face, but sometimes I have to compromise.
Anyway, it's a winner. I don't much care about the elaborate measurements a dozen youtube video reviewers performed with infrared thermometers in their backyard. The value for me has been the added comfort and safety the Multi-cool has provided me in actual harsh desert conditions. My Tilley hat, Multi-cool and sunblock are indispensable tools for desert hiking in summer.
In contrast I also use this in the middle of summer when kayaking my local rivers. On a certain 9 mile trip after initially applying water I've found the band stays wet and is still cooling by the time I'm finished paddling. I was originally a skeptic of this product but this is one case I'm glad I took the chance because it has earned go-to status in my warm weather kit.
UPDATE: I just ordered this year's new high viz yellow color to go with the original sand color I used last year. I have to say the reduction in size from last year's model is disappointing to say the least. I love the high viz yellow color and reflective material but I have a tiny head and it's almost too tight to stand to be worn as a headband. Now I understand what some other reviewers have been saying about it being just too tight and small overall. No kidding, it seems the company wanted to save some money by making these smaller by using far less material. At the current price point it's a shame really, while the new colors are nice, the overall utility for those with average sized heads has been greatly reduced. Buyer beware, I had to knock a star off my original five star review because for many the headband function is now a complete afterthought.