Yes! UnderCool is a lightweight cooling vest designed to keep you cool and comfortable.

 Soccer mom wearing her UnderCool, on her way to her daughters soccer practice. Soccer mom wearing her UnderCool, on her way to her daughters soccer practice.

The unisex design is perfect for women and men with heat sensitivity the need a cooling vest for multiple sclerosis and other neurological disorders.

With it's lightweight and low profile design you can wear it under virtually anything without anyone noticing and because it only weighs 2lbs (yes 2 lbs with the cooling packs) it will help battle fatigue allowing you to enjoy life's simple pleasures like backyard bbq's, graduations, sports and hobbies. All the things that make life great. 

Unlike other cooling garments, you can wear UnderCool directly on your skin without risk of ice burns or getting wet. With UnderCool you can stay cool and look it too!

ThermApparel's UnderCool Cooling Vest works by using PCM (Phase Change Material) cooling packs. PCMs are substances that absorb and release thermal energy during the process of melting and freezing. What does that mean? Simply, they act as a heat sink to absorb your body heat slowly over time to keep you cool and comfortable, even in humid environments.

ThermApparel uses a non-toxic bio-based PCM that out-preforms paraffin, salt hydrates, gel and ice in a number of areas. Long term stability, safe handling, sourced from recyclable materials, won't get you wet or burn your skin. Our lightweight and flexible PCM cooling packs are reusable and can be recharged again and again and again.

 UnderCool Bundle - $199  1 UnderCool Cooling Vest + 1 set (4 packs) of PCM Cooling Packs UnderCool Bundle - $199 1 UnderCool Cooling Vest + 1 set (4 packs) of PCM Cooling Packs

UnderCool Cooling Vest is made of comfortable spandex (think comfy yoga pants) and mesh panels to keep you cool and dry for maximum breathability. Cloth: 87% Nylon / 13% Spandex
Mesh: 89% Nylon / 11% Spandex

UnderCool is secured in the front with a easy hoop-and-loop closure for easy on and off and adjustable straps for the best fit.

UnderCool comes in 5 sizes XS - XL to fit a wide variety of body shapes and sizes, because "one size fits all" really isn't true. UnderCool needs to fit your body like a glove to give you the best cooling support. We recommend going with a the size of a super tight undershirt for men or camisole women. Best part, sizing is not dependent on your bust size... Yay for women!!... sizing is dependent on your natural waist size.

Not sure where your natural waist is or how to get the correct sizing? If you bend to the side, you will crease in the middle of your body; this is your natural waist. That's where you want to take your waist measurement. Then check our handy sizing guide and order the correct UnderCool for you.


ThermApparel is a small business making big waves in the MS world by designing the first lightweight, comfortable and invisible cooling vest, UnderCool. Check us out online, on our blog, or on Facebook, Twitter, Pinterest, LinkedIn and Instagram.



Please let us know if you have any other questions or ideas in the comments below, we will follow up..
You can always reach us via:
live chat -
www.thermapparel.net
email -
contact.us@thermapparel.net
phone - 855-232-7233
ThermApparel LLC. 125 Tech Park Dr. Rochester, NY 14620