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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
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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. Very Happy with purchase 5 Star Review

    Posted by on 8th Jun 2018

    Well made, lightweight and Great customer service.

  2. Pleasantly Surprised 4 Star Review

    Posted by on 2nd Jun 2018

    I purchased the StaCool vest reluctantly. I thought that it wouldn't really feel cool. Well, I must say that the vest does provide a nice cool feel. I bought the small vest so that it would be closest to my body. Wearing it under clothes is not that inconspicuous but overall, it accomplishes it's purpose. Can't wait to wear it in really hot weather to see how long the cool feeling will last!

  3. Bought for a wedding 4 Star Review

    Posted by on 17th Apr 2018

    I bought this vest for my husband (who has MS) to be able to attend our son's outdoor wedding in July in Detroit. I am looking forward to having him fully present at the wedding, not faded and sick from the heat. we can't talk about how it works for him, but I am sending the large back for a medium as it is quite loose on him and I understand that it should be snug. Thank you!

  4. Lifesaver!! 5 Star Review

    Posted by on 8th Jan 2018

    I have MS and struggle with the heat at my job. I tried everything to stay cool. Decided I would try a cooling vest. So glad that I found StaCool Under Vest. Since buying this vest I no longer overheat at work. This vest has been a lifesaver!!

  5. 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.

  6. 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.

  7. 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!

  8. 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.

  9. 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.

  10. 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!

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