How Do Cooling Shirts Work?

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Most men know that Summertime is synonymous with “sweating bullets.” Most shirts don’t stand a chance against a man with sweat glands capable of dwarfing the magnitude of the Niagara Falls. This is why, if you’re anything like what was just described, you need cooling shirts in your a lot of them. Cooling shirts might sound like a magical gift from God, but there’s actually a lot of science that goes into this.

But first let’s get this out of the way: the rumors are true: we have fantastic cooling shirts at MuskOx. But as much as we all love just getting out and enjoying the adventure, we wanted to pause and help you understand how these cooling shirts actually work.

Well, here’s how cooling shirts work:

The theory overall is to try and get warm and warm water (read: sweat) away from the body as soon as possible once you get hot. Once warmed, the layer of air surrounding your body reduces the flow of heat out of the body -- which limits your ability to cool off fast. If you were naked (we’re glad you’re not), the warm air would drift away from your body via convection. Cooler air would move in to take its place. That new air would now pick up more body heat and carry it away, too. The same thinking applies to sweat as well so let’s get into how this can be addressed with intelligent fabric and what exactly goes into our thoughtfully designed summer shirt, the Charleston Performance Hoodie

man standing on the beach, wearing MuskOx

Moisture Wicking

Polyester is most commonly material used for moisture wicking clothing. This is a synthetic fabric that is lightweight, durable, and inexpensive. A lot of workout clothing is made out of polyester, but the key is the properties of the fibers and creating sufficient micro “voids” that allow for cooling to occur, in addition to having the fabric connected in an intelligent way to disperse heat and sweat. Plus, of course, you need the shirt to look good but since you’re on the MuskOs website that part is already covered.

Our shirts, and any good cooling fabric, is designed for moisture wicking (get the sweat away from your body), moisture transportation (make it easy for the sweat to spread out to maximize transpiration rates), and regulated evaporation (depending on your body temperature, regulate the rate at which sweat comes off the fabric).

man walking through the water in front of a boat, wearing muskox shirt

Cool Touch

The key to keeping a cool touch is having cooling technology built into the individual fabrics fibers that make up the clothes. This maximizes the cooling properties of the fabric and decreases the extent to which human body temperature rises when clothing is added to the body. 

Cool Touch design also contains moisture wicking properties by drawing sweat away from your body, and into and out of your clothing. This is great to wear in direct contact with your skin, so that you can get the full effect of this moisture wicking magic. We designed our Foundation Quick Dry as a super breathable and quick drying base layer for outdoor activity and exercise, meant to be worn independently of other internal layers.

two men standing on a boat, wearing muskox

UV Blocking

One of the most important aspects of a summer shirt is its UV blocking technology. Simply put, UV rays can be harmful for the body & we want to minimize exposure to sunlight when we’re trying to stay cool. UV light can penetrate a lot of day to day fabrics, but intelligently designed synthetics can keep the sun out.  A lightweight, UV blocking synthetic shirt is a great choice for any day in the sun -- whether that’s on the water, at the beach, or out in the wild.

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