Global leader in safe, high performance waterproofing, cleaning and conditioning for outdoor gear

How to Re-waterproof your Ski Jacket


a clean and waterproof ski jacket is a happy ski jacket

Before and After Cleaning & Waterproofing

Over time, ski jackets can lose their water-repellency. Waterproofing doesn’t last forever. Whether from rubbing against a dirty car while straining to reach the ski rack, or spilled apres-drinks, a dirty jacket will stop repelling water. Luckily, it’s easy to clean and re-waterproof your ski jacket so you can get back to schralping pow.

The trick is to clean your jacket first. Most times, it’s dirt and crud that are covering the water-repellent coating, making your jacket soak up water.

Here’s how to clean.

  1. Place jacket(s) in washing machine. If you only have one jacket, maybe ask a friend if they want a clean jacket too. They can owe you.
  2. Add Nikwax Tech Wash. In a top-loading machine, add three full caps (150ml) for 1-3 garments or five full caps (250ml) for 4-6 garments. In a front loader, it’s best to add no more than two garments with two capfuls (100ml) of Tech Wash. Special note: If you live in an area with hard water, toss in an extra capful of Tech Wash. If you have an HE machine, use about half the recommended amount so you don’t suds up the place.
  3. Sit back with a good book and a glass of wine/beer/hot cocoa as the machine runs its course.
  4. More often than not, this single cycle will be enough to have revitalized your jacket.

But my ski jacket still isn’t waterproof!

That’s ok. Don’t panic. Over time the water-repellent finish can wear off. When that happens, it’s time to add more waterproofing.

Here’s how to waterproof.

  1. Clean first. Always clean first. Use Tech Wash like before. Then…
  2. If you have a top-loading machine, let the machine fill, then add a maximum of 3 garments and 300ml of TX.Direct Wash-In. Run a heavy/warm cycle.
  3. If you have a front-loading machine, add a maximum of 2 garments and 200ml of TX.Direct.
  4. Follow the manufacturer’s instructions as to whether your garment should be line or tumble dried. Nikwax does not require heat for activation, so you’re good to go either way.
  5. Put your jacket on and admire your waterproofed duds in the mirror.

There you have it! Now you’re ready to hit the slopes again and laugh at the soggy fools clustered around the fire pit. Or, maybe you can tell them about taking care of their ski jackets and spread the dryness.


  1. So cool, I received samples from your company at the end of drenching, soaking wet bike ride in the Seattle area, called Chilly Hilly. So appropriate! My ‘weatherproof’ jacket was put to the test, and failed miserably after 3 hours of constant rain. I am anxious to use your products, the Tech Wash and TX Direct, but there are no instructions! I wish your website had a link to all the instructions for each of your products. That would be very helpful. Meanwhile, could some one send me instructions? I’d love to put some new life back into my favorite ‘weatherproof’ cycling gear!

    Mary H.

    • Hi Mary,

      It was great seeing all you hardy riders yesterday. It was Nikwax weather for sure! Happy to help with the instructions.
      The instructions are on those little bottles- but a bit hidden as the labels are peel and read. If you look on the back you should see a double thick part of the label. Peel that up! (It may require a fingernail.) The instructions are also on our product pages on the website. Look for the lines that reads: “Use Tech Wash (or TX.Direct) in a washing machine…” and click on them to get the instructions.

      Stay Dry and Ride On!

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