How to re-activiate the Hydro treatment on your Parentini garments


Much of Parentini’s winter collection benefits from the company’s own ‘Hydro’ water repellent system. This is a DWR treatment, whereby the original fabric is bathed in a nanomolecular product. This process gives the fabric water and stain repellent properties, meaning water droplets bead off, delaying the rate at which water soaks into the fabric. Some of the garments manufactured with this Hydro treatment include the Mossa, Mossa.2, various Windtex jackets and all Super Roubaix K-DRY tights, bib shorts, arm & leg warmers

This process means soft fabrics, like the K Dry Super Roubaix, can repel rain (up to a point) ensuring the user remains drier for longer, and also adds an extra element of protection to waterproof garments, like the Mossa and Mossa.2. It means the garments seams benefit from extra protection, and rain doesn’t ‘wet’ the outer laminate. Without this treatment this ‘wetting’ could cause a feeling of clamminess, making the user think rain has got through, when in fact it hasn’t penetrated at all. This clammy, wet feeling, can also make the user feel colder, especially on the arms.

It’s a fact of modern technical sports clothing, that the more technical and special the fabric, the more care is needed looking after it. A special treatment must be treated in a special way! Depending on how you look after the garment, it can lose its ‘Hydro’ water repellent qualities after about 10-15 washes.

The good news is that there is a simple technique to reactivate the ‘Hydro’ properties of your Parentini garments.

1. Wash them carefully, inside out on a delicate 30 degrees wash with a simple non-bio detergent. I recommend liquid soap flakes, this is the gentlest way to wash your garments, and hardly affects the ‘Hydro’ treatment.

Then either:

2. Tumble dry on a low heat setting (around 40 degrees) for about 20-30mins


3. Iron the garment on a low heat setting and no steam, using a thin cotton towel as protection between the iron and the garment. Pay special attention to any thermoplastic logos on your garments – DO NOT use your iron on these types of logos, as the heat can cause them to detach.

4. Check the reactivation by putting the garment under a running tap. If it doesn’t bead off then you can repeat the process or try re-treating the garment, with a DWR re-proofing product such as NikWax TX:Direct.

Just as an example, I did this re-activation technique on a Test Team member’s Mossa. It had been ridden a lot over 6 months, and whilst he looked after it really carefully, as you can see in the above ‘Before’ image, the Hydro water repellency is non-existent. Now remember that the Storm Shield fabric used on the Mossa is water proof, so the running water from the tap isn’t getting through the fabric, but it is ‘wetting out’ the outer layer, making the area feel a little cold. So I ran it through my tumble dryer on a delicate care heat cycle for 40mins. The ‘After’ image shows the result. Water was beading off and didn’t have a chance to soak the fabric. The transformation is amazing and the Hydro properties are like new!

So if you have any Hydro treated garments, check them for water repellency and run them through the re-activation technique. You’ll be amazed at the magic!

PLEASE NOTE. The K Dry outer shell range (such as the rain jackets and gilets) DO NOT need re-activating. Using heat on these garments will cause damage. Their waterproof properties are due to their unique fabric and do not have the ‘Hydro’ treatment applied.

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