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If you work outside this time of year, the heat can get unbearable, even dangerous in a short time. This Cooling Vest will help you to "keep your cool" while working outside.

Step 1: Step One: Find Someone Who Can Sew.....

First of all, I'd like to give credit where credit is due. My dear wife of 38+ years of marriage (6 of them happy) did all of the construction of this vest. I just came up with the idea.

The downside is that she comes up with all kinds of stuff for me to do outside now.

Step 2: The Cool Part...

The lining of CLEAN UNUSED adult diapers is, by design, highly absorbent and becomes a gel when "activated". If you take the lining from several diapers and a mixture of water and alcohol you can create a mixture that doesn't get rock hard, but is more like a slushy soft drink when frozen. The alcohol to water mix ratio is kind of up to you. You might want to experiment. We're trying 50/50, and 25(alcohol)/75 mixtures now.

Step 3: Preparing the Cooling Packs...

Scoop out some of the alcohol and water gel into standard size sandwich bags and place flat on a rack in the freezer for 24 hours. Double bag the sandwich bags (one up, one down) to prevent leakage.

Step 4: The Vest

We tried to find a fabric that was both breathable and somewhat water resistant so that the vest would cool me but not soak my clothes from condensation from the cool packs.

Step 5: Time to Get to Work.

The pockets on the vest are just the right size to slip the frozen cool packs into. A small Velcro patch keeps the flaps on the pockets closed and keeps the cool packs from falling out.

Step 6: Off to Work

My wife wanted to Velcro the front of the vest as well, but the pockets filled with cool packs made it a little too snug to wear that way. We used some nylon straps with plastic buckles left over from another project for the front closure.

I jokingly told her that I needed a cool pack for my hat too. It looks like that's going to be another Instructable.

Oh well, off to work.

So what ratio of water and alcohol works best? I'd assume that you want as little alcohol as possible without it freezing solid!?
<p>2 parts gel with 1 part alcohol. Yes, the solid blocks are uncomfortable to work with as you move in the vest and can actually tear the pockets. </p>
<p>This is an awesome idea, especially for those of us who dislike hot weather!! Excellent ible!!!!!</p>
<p>Thanks!</p>
<p>What a great idea. Bravo!</p>
<p>Thank you. :)</p>
Thank you so much for this instructable. I have MS and must use this daily. The one I have is too small and I needed another. Didn't know where to start. This is a life saver! Thank you.
<p>You're welcome! </p>
What fabric did you end up using?
<p>I hate to tell you this, but neither my wife not I remember. :( We went to our local Jo-Ann's store and asked the ladies there for help based on what we were doing.</p>
how long did it stay cold for? and what was the temperature like on the day you were wearing it
<p>I've never let it completely thaw. Usually I work for a couple of hours and then come in for a rest. While I'm resting I'll put the entire vest back in the freezer. After about an hour I'll put it on and go back outside. The temperature when I was wearing the vest was in the mid 90's. </p>

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