Can You Waterproof Tennis Shoes? | What Actually Works

Whether you want to keep playing through wet morning courts or just protect a favorite pair from puddles, applying a waterproofing spray is the practical answer for most tennis shoes. The treatment works best on shoes that are still in good condition, and the results depend heavily on the shoe’s materials and how carefully you apply the spray. Here’s the honest breakdown of what waterproofing sprays can and cannot do for tennis shoes, plus the exact steps that get the best results.

Does Waterproofing Spray Actually Work On Tennis Shoes?

Waterproofing sprays — also called durable water repellent (DWR) treatments — work by adding a thin coating that makes water bead up and roll off the shoe’s surface instead of soaking in. GORE-TEX’s official footwear care guidance tells you exactly when to reapply: when water no longer beads and runs off the surface, it’s time for a fresh treatment.

That said, there’s an important distinction. These sprays are designed for water resistance and stain protection, not total waterproof performance in heavy rain or for shoes that are already damaged. A shoe with torn mesh or a separated sole will leak no matter how much spray you apply. And a spray won’t turn a breathable mesh running shoe into a rubber boot — it improves water resistance, but it does not seal the shoe completely.

If you play tennis outdoors regularly, the type of shoe you start with matters as much as the spray you add. Shoes built with waterproof membranes or water-resistant materials give the spray a much better base to work with. Adidas explains the difference between water-resistant and waterproof shoes on its product pages: water-resistant shoes handle light moisture, while waterproof ones use membranes or coatings to keep water out entirely over longer exposure. For serious wet-weather play, starting with a shoe designed for that purpose beats relying on a spray alone.

The Right Way To Waterproof Tennis Shoes In 5 Steps

Waterproofing spray works best on a shoe that has been cleaned and completely dried first. GORE-TEX’s care guide emphasizes cleaning before any treatment — dirt and oils block the repellent from bonding properly to the fabric.

1. Prepare the shoes. Remove the laces. Shake out loose dirt and brush off any caked-on debris. GORE-TEX recommends using lukewarm water with a small amount of liquid detergent for deeper cleaning.
2. Dry completely. Let the shoes air-dry naturally at moderate room temperature. GORE-TEX specifically advises avoiding direct heat like radiators or hair dryers, which can damage adhesives and membranes. Never apply spray to a damp shoe.
3. Test for color fastness. Spray a small, inconspicuous area first — some products can darken or alter certain materials. Wait for it to dry and check the color before treating the whole shoe.
4. Apply the spray evenly. Work in a well-ventilated area. Hold the can at the distance the product specifies — this varies by brand, but common distances are about 6 inches or 20 to 30 centimeters. Cover the entire upper, including the seams where water often sneaks in.
5. Let it cure fully. Allow the treatment to dry completely before wearing the shoes. Some products specify 24 hours for full effectiveness, while others need just 10 minutes between coats. Follow the individual product’s directions.

How Often Should You Reapply?

The treatment is not permanent — it wears off with use and washing. Reapply on the manufacturer’s recommended schedule or when you notice the water no longer beads up and rolls off the surface. GORE-TEX’s guidance is to reapply when beading stops. As a general rule, expect to refresh the treatment every few months of regular use; maintenance is part of owning water-resistant footwear.

Common Waterproofing Mistakes To Avoid

The biggest error is reaching for waxes or greases on breathable footwear. GORE-TEX explicitly warns that waxes and greases can affect breathability by clogging the membrane’s pores — a shoe that traps heat and sweat is miserable to play in, even if it’s dry. Stick to water-based spray treatments in pump-spray form, which preserve the shoe’s ability to breathe.

Two more mistakes to skip: machine washing and applying spray to dirty shoes. GORE-TEX advises against washing its footwear in a washing machine — the agitation and spin cycle can damage the membrane and adhesives. And as noted above, a dirty shoe won’t let the treatment bond properly, so you’ll end up reapplying much sooner.

For players who want the best wet-weather performance without the upkeep, our tested picks for the best women’s waterproof tennis shoes highlight models with built-in waterproof membranes — a more reliable long-term solution than spray-on treatments.