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  • StaCool Under Vest in Grey
  • StaCool Under Vest in Tan
  • StaCool Under Vest in Black
  • StaCool Under Vest in Black - back view
  • Image 5

StaCool Under Vest

2.50 LBS
Calculated at checkout

Product Description

The most lightweight, comfortable body cooling system available.

The StaCool Under Vest is an engineered body cooling system that offers hours of critical cooling without compromising mobility. For Multiple Sclerosis patients, a cooling vest can be the passport to fatigue-fighting exercise and activity. For athletes and professionals who labor in extreme heat, a cool vest can be an irreplaceable piece of equipment.

Anyone who has to stay cool and stay on the move knows the value of a body cooling vest that can keep you cool for hours without freezing you in minutes. Each pocket on the large StaCool Under Vest houses 18 individual ThermoPak cells; medium Under Vest houses 12 cells.

The StaCool Under Vest uses high-quality, durable materials and four easily replaceable ThermoPaks to cool the body core comfortably. Each lightweight cooling vest offers three hours of cooling per ThermoPak set, depending on activity type and environmental conditions during use.

  • Made from comfortable, breathable AirpreneSpandex sides for additional comfort and flexibility
  • Front zipper for easy dress and removal
  • Lightweight – 5 to 5.5 pounds with ThermoPaks
  • Wear under clothes or as an over vest
  • Available in a wide range of sizes to fit any body type

Stacool Under Vests are perfect for:

  • SWAT, Hazmat and military professionals, including those wearing level A Protective clothing.
  • Multiple Sclerosis patients
  • Athletes
  • Mascots
  • Anyone wanting to stay cool in hot conditions

Every StaCool Under Vest comes with TWO SETS of ThermoPaks (four packs per set), so wearers always have spare packs to extend cooling times.

StaCool Under Vest with two sets of ThermoPaks

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Product Reviews

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  1. AWESOME! 5 Star Review

    Posted by on 11th Sep 2017

    I have MS, bad. I overheat often. I heard about these MS vests from a friend of my wife, so I did some research and this StaCool Under Vest seemed to get the best reviews. I took a chance and ordered the vest, and I'm so glad I did. I have worn it every day for different activities, from my rehab session to just wearing it in my car after the car was all hot from sitting in the sun. I worked outside in it, which I can't do anymore due to the heat, but this kept me from overheating. Today I took a hike in it, and that is something I've been unable to do for several years as well.

    I got over heated from being in the sun the other day, just sitting outside with my wife and some friends for less then 30 minutes, and I immediately went home and put this on. I was cooled down quickly and recovered fast. If you have MS, getting sick from over heating is a big danger. This really is a cleaver vest. I can wear it with a shirt under it, with no shirt, and it is very comfortable. I don't feel to cold at all, and yet it cools me down. I highly recommend it to anyone with Multiple Sclerosis. The nice lady at the 1-800 number was very helpful and pleasant to speak to as well.

  2. Keeping cool transporting students 4 Star Review

    Posted by on 24th Aug 2017

    Found the vest works very well for about 2.5 hours; enough for most of my route taking students home from school in the hot Florida afternoon. It's unlikely I would have continued doing this job had this vest not been available.

  3. Greatly appreciated! 5 Star Review

    Posted by on 22nd Aug 2017

    The vest was bought for medical reasons (MS) and I am very happy to own this product! I notice a great difference in my comfort and energy levels when wearing it. Heat drains me starting at about 24C so now I am always prepared when I know the temperature forecast. I appreciate that the vest comes with TWO sets of cooling inserts - I keep the second set ready in the freezer in case I need to switch them. The inserts are shipped dehydrated and the company sends VERY clear directions (and a reference sample) to aid with the hydrating process. I was nervous about ordering due to not wanting to make a mistake with sizing. The guidelines provided on the website worked well for me. I didn't realize that the vest material is quite stretchy - it pulls nicely over my body for zipping up and then stays snug to keep the cooling effect right against me. Thanks for making this great product!

  4. A Godsend. 5 Star Review

    Posted by on 29th May 2017

    I have multiple sclerosis and live in North Texas... I love being outside and I love the water, but the heat takes everything out of me, even when I spend most of my time in the pool. My vest and I went on vacation to southeast Louisiana, by being able to stay cool even the drive didn't leave me exhausted, with two days spent in 90 degree heat.

    The vest is also helping my cognition when I'm walking alot between buildings at work and when the air conditioning in my office doesn't work. I need to get a small cooler and two more sets of inserts and I'll be ready for Texas July.

  5. One Cool Bus Driver! 5 Star Review

    Posted by on 16th May 2017

    My retirement gig is driving a school bus. Living in South-Central Kentucky it gets mighty HOT! With air conditioned schools classes begin in early August running to early June. The schoolhouse may be cool but the driver area can get to 115 degrees. I needed something before temperatures started to rise this spring. Was I relieved when I searched the internet to find some sort of mobile cooling devise finding 'StaCool Vests'. Wasting no time I 'INVESTED' in one because the temperature was on the rise. Following the washing machine hydration procedure and placing in the deep freeze I was prepared for the worst. I'm now using my 'God Send' cooling vest every afternoon. My afternoon route takes about 3 hours with the vest lasting the entire time. Yesterday I wore my leather vest on top of the 'StaCool' vest to insulate the 'ThermoPaks' hoping they would last longer. I was pleasantly surprised finding the 'ThermoPaks' still nicely frozen. Try it - Mikey likes it! But he'll wear anything! My only suggestion for 'StaCool' vest makers would be to have an optional 'Highly Reflective' safety vest. I'd find that handy when riding my motorcycle. I bet law enforcement, emergency personnel, road crews as well as anyone working around moving traffic would be interested. Otherwise keep up the cool work.

  6. A Lifesaver!! 5 Star Review

    Posted by on 9th May 2017

    For medical reasons, I was unable to withstand summer temperatures, even in the 80's. With this vest I am now able to play 18 holes of golf and enjoy my grandkids entire ball games in complete comfort! I feel like I have my life back!!! Thanks StaCool!

  7. 40 years of air conditioned comfort 5 Star Review

    Posted by on 8th May 2017

    As a machinist with 40 years of working on close tolerance parts in temperature and humidity controlled shops I started working in a shop that is open and subject to all of that great Maryland/DC heat and humidity. I started last year near the end of summer and knew I had to do something or my spoiled self was going to suffer. I researched different vests and really liked what I saw with STACOOL VESTS. I made the purchase and put it to the test. I can say that my world is going to be VERY COOL from here on out. I tried one reviewers idea of wearing it over a T-shirt and agree that it is most comfortable that way. I hand stitched our company patch over the vest so I could be "Uniform Compliant" and some of my coworkers asked me which Boss gave me the product. I told them "The Smartest One" and told them to order their own and they too could STACOOL and smart like me!

  8. Very help 4 Star Review

    Posted by on 8th Aug 2016

    We purchased this vest for our son with special needs. He is heat intolerant and does not sweat. We just recently got the vest and so far it has been good. It actually works like a weighed vest for him as well due to the weight of the ice packs. Not too heavy though. We did have to switch sizes as he measured for an XXS but we returned it for an XS. It fits nicely and the customer service was wonderful! Hope to use it for many years.

  9. Product is a big help, customer service is great 5 Star Review

    Posted by on 5th Aug 2016

    This vest does what it claims: keep your body temperature down. I suffer from cholinergic urticaria (heat hives). When I'm outside on a hot day, sitting in a poorly air-conditioned office, or severely stressed, I break out in hives. What an awful feeling! It's truly embarrassing to, in a public place, start pouring water on myself to get cool. I needed a better solution.

    StaCool's under vest seems to be doing the trick. The gel packs were fairly easy to hydrate, and they slipped very easily into the vest. (That's no small thing. With other brands, it was almost impossible to get the gel packs to fit right.)

    Here are a few other notes, in case they're helpful to prospective buyers:

    - I'm 5'10, 155 lbs. Every shirt I own is a MEDIUM. Since the cooling vest is meant to be a snug fit, I ordered one size down (SMALL). I was shocked to discover it was still too big and that I needed an EXTRA SMALL.

    - I wear an undershirt beneath the vest---not because it's too cold, but because the undershirt helps hold it in place.

    - This vest is more concealable than its competitors, but I can still see the back of it jutting out beneath my shirt. That doesn't bother me, though. Being cool's better than feeling cool!

    - StaCool's customer service is excellent. They 1) answered questions over the phone before I bought my vest; 2) provided me electronic copies of the gel pack instructions when I misplaced my print copies; and 3) allowed me to exchange my vest for a different size.

    I'm very happy with my vest as well as StaCool's customer service. They've got a customer for life!

  10. Love it! 5 Star Review

    Posted by on 5th Jul 2016

    I finally received my vest. I tried it this weekend and I loved it!

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