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Nikwax
Softshell Proof Wash In

4.857142857142857 out of 5 stars
7 Reviews
$14.95
Color:One Color

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Softshell Proof Wash In

You buy Nikwax SoftShell Proof because sometimes you make mistakes. Mistakes like telling your buddies, “There's absolutely no way it's going to rain today.” Nikwax SoftShell Proof is a wash-in treatment for any softshell jacket that revitalizes the durable water repellant finish while maintaining the awesome breathability you got the jacket for in the first place. It won't make water bead like you just put a fresh coat of wax on the ‘Vet, but it'll be there in a pinch, and work well when there's just a dusting of snow.

Details

  • Item #NIK0024
Volume
10fl oz (300ml)
Application
wash
Activity
casaul, travel, weekend camping
Manufacturer Warranty
4 years

What do you think about this product?

Overall Rating

5 based on 7 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 1 reviews
5 Stars - 6 reviews

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5 out of 5 stars

September 8, 2025

Clean Jackets!

It seems to work really well on my softshell jackets, both with and without gore-tex. For the gore-tex jacket I follow up with a waterproofing. Have used once per season for a couple of years on a few shells and haven't seen any negative effects

Mitchell L
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

September 3, 2025

Do your research ahead of time prior to first use!

I did a ton of research on DWR treatment products prior to buying this Nikwax product. Fortunately, I did way too much research ahead of time and had really great results - both with the spray on DWR and wash in products. What I found to be most helpful for me: 1. Make sure to read the Nikwax instructions thoroughly ahead of time. 2. Check out some online forums and/or Youtube videos ahead of time as well so that you can see exactly what you'll need to do. 3. Don't try to take any shortcuts. For example, when it comes to fully cleaning out your washing machine prior to use with a wash in product, make sure it has been thoroughly washed out. 4. Know that even if it doesn't work out the first go around, you can always clean your garments and re-apply as needed until you get it right.

Steven R
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

September 30, 2024

My softshell was filthy after daily use during a long backpacking trip, but after washing it with Nikwax cleaner and this Proof Wash-In, it's performing like new again. I would highly recommend this for anyone looking to refresh their softshell garments.

David B
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

April 24, 2023

Works surprisingly good. The garments are very water-repellent after the wash.

Sahand M
ExpertVoice.com

Originally reviewed on ExpertVoice.com

4 out of 5 stars

January 22, 2023

I've used this Nikwax - Softshell Proof Wash-In several times. It is the best way I know to refresh the DWR on soft shells. It's important you clean the garment properly first (with Nikwax Tech Wash or Atsko Sport Wash or similar). This alone often helps refresh the DWR as get dirty can interfere with the garment's water resistance. Washing in Softshell Proof adds a layer of wax that improves the DWR. I've had soft shells that were more water resistant than new once applied. It doesn't last forever, but it's good for a couple seasons in my experience.

Noah S
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

July 17, 2022

My 16 year old marmot gore-tex softshell is still my go to for snowboarding and the Nikwax softshell line is all I use to properly clean and retreat. It has never let me down and couldn't be easier to use.

Zebulun F
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

July 17, 2022

Like Brand New

My softshell jacket and pants bead water just like when they were brand new. Easy to use on a front loading washer.

Calvin R
ExpertVoice.com

Originally reviewed on ExpertVoice.com