I’ve used this product in all seasons, hot, wet, and cold.  Still have enough left in the large container to either re-impregnate the items below or to put in a few other things.

  • Survival Smock 
  • M-65 Field Jacket
  • 2 Pr BDU pants
  • 2 Winter Camouflage Over Jackets
  • 1 Pr Winter Camouflage Over pants

So far, everything has held out beautifully when it comes to repelling water/snow.  In the rain, it takes a very heavy downpour for the material to start taking on any water (the NYCO mix is what weakens the waterproofing property because it’s for 100% cotton…).  When it comes to snow, when body heat starts melting the snow, it flicks off as small water droplets leaving the material dry.  All in all, staying drier keeps me warmer longer.  This is a great product!

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Originally published on 11 April 2017.

In the quest for staying dry as long as possible in cold, wet weather, while looking for a Goretex rejuvenator, I happened upon a product by Nikwax, called, “Cotton Proof.”  Now, truth be told, I’m always skeptical of the ‘magic pill’ offered by various companies, but, as I wear a lot of Nyco things, to include field jackets and smocks, I figured, ‘what the hell, it might just be worth trying out.’  After all, cotton is known as ‘the cloth of death’ in anything but warm weather, once it gets wet.

Here’s their video on the product:

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So, I go ahead and watch the video and decide to order it and give it a shot.  I bought mine on Amazon.

Once it arrived, I read the directions and followed them explicitly.  One thing many don’t do is to remove all soap residue from their washing machine prior to treating their items.  The instructions will tell you explicitly to do just that.  So, that’s what I did by running three ‘heavy load’ cycles with only hot/warm water and two ounces white vinegar in each cycle.

Once the machine was clean, I washed the items I was going to experiment with in ‘Sport Wash’ twice, as I noticed residue in the first rinse from previous washings.  I’ve got some Nikwax Tech Wash on the way for next time, but hey, this was an experiment.

The directions will tell you that you don’t need to dry the items once pre-washed, and that’s true.  For 3 to 4 medium & large mixed items, you need to put 7 ounces (I estimated between 3/4 of a cup and a full cup, so I could have been a smidge off) in the washer after it’s completely full.  So, place the items in the washer, start the fill,, and once all items are submerged and completely under the surface, put the Cotton Proof in.  Once you do that, you run the ‘heavy’ cycle as normal, to include the rinse and spin cycles.

When it’s done, put them in the dryer with no softeners on delicate/low.  I put the timer on max, for 60 minutes; everything was dry in about 40.

After everything cooled, the first thing I did was take an item over to the mud sink faucet and turn on the water, letting it pour on the material.

The water bounced off for about 45 seconds with a steady stream hitting the material at a perpendicular angle before the tiniest wet spot was visible!  So, I shut the water off, shook off the item, and it was completely dry again in about 90 seconds or less.  Not bad for a 50/50 Nyco item!  From what their instructions/adds/videos say, it works better on 100% cotton, but will suffice with nylon blends.  Man does it!

So, I give this product 5 stars for those who like to walk around in the bush or rain or whatever and want to stay dry as long as possible.  I’m actually looking forward to a ruck walk in the rain in the next week for a minimum of 5 miles to see how it performs.

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