How to Prevent Fogging on Sports Glasses – A Complete Guide

Say Goodbye to Foggy Lenses: Tips to Keep Your Prescription Sports Sunglasses Clear

Few things are more frustrating for athletes than dealing with fogged-up sports glasses. Whether you're cycling, running, skiing, or playing tennis, foggy lenses can obstruct your vision, making it harder to perform at your best and even posing safety risks.

The good news? Fogging is preventable! In this guide, we’ll explore why sports glasses fog up and the best solutions to keep them crystal clear during your activities.

Why Do Sports Glasses Fog Up?

Fogging occurs when warm air (from your breath or sweat) meets the cooler surface of your lenses, causing condensation. This can happen due to:

✅ High humidity levels

✅ Temperature changes (e.g., going from warm indoors to cold outdoors)

✅ Sweating during intense activity

✅ Limited airflow around the lenses

✅ Wearing face masks or buffs

Understanding these factors helps us tackle the problem effectively.

How to Prevent Fogging on Sports Glasses

1. Choose Anti-Fog Lenses or Coatings

Many high-quality sports sunglasses come with built-in anti-fog coatings or treatments. These coatings reduce condensation buildup and keep your vision clear. Take a look at our Anti-fog lens option for just £20.

🔹 Solution: If your glasses don’t have this feature, consider using an anti-fog spray or wipes to apply a protective layer.

2. Improve Ventilation

Better airflow reduces moisture buildup behind the lenses.

🔹 Solution: Look for sports glasses with vented designs or adjustable nose pads that allow air circulation. Slightly adjusting the fit to create a small gap can also help prevent fogging. Our best seller the Arbor was designed with vented lenses to tackle this exact problem. Shop the Arbor here.

3. Use Anti-Fog Sprays and Wipes

Anti-fog sprays, wipes, and gels create a thin layer that prevents condensation from forming on the lenses.

🔹 Solution: Apply an anti-fog treatment before each activity for the best results. Be sure to use products specifically designed for eyewear.

4. Keep Your Glasses Dry and Clean

Dirt, oil, and sweat can make fogging worse by trapping moisture.

🔹 Solution: Regularly clean your lenses with a microfiber cloth and use lens cleaners to remove any buildup - check out our accessories page for more.

5. Adjust Your Fit

If your sports glasses sit too close to your face, they can trap heat and moisture.

🔹 Solution: Try adjusting the nose pads or temples to allow for better airflow and reduce fogging.

6. Use a Headband or Sweatband

Sweat dripping onto your lenses increases the likelihood of fogging.

🔹 Solution: Wearing a sweatband or a moisture-wicking headband can absorb sweat before it reaches your lenses.

7. Avoid Tucking Glasses into a Face Mask or Buff

For athletes wearing masks in colder weather, warm air from your breath can fog up your lenses quickly.

🔹 Solution: Adjust your mask or buff so it sits lower on your nose, allowing breath to escape downward instead of up towards your lenses.

Best Anti-Fog Solutions for Sports Glasses

If you want a quick fix, here are some of the most effective anti-fog solutions:

✔️ Anti-Fog Coatings – Invest in glasses with built-in coatings.

✔️ Anti-Fog Sprays & Wipes – Portable and easy to use before activities.

✔️ Ventilated Sports Frames – Designed for maximum airflow - Kontor Arbor. 

✔️ Proper Lens Cleaning – Remove dirt and oils that worsen fogging.

✔️ Sweat-Wicking Accessories – Use headbands and buffs to reduce moisture.

Final Thoughts: Stay Fog-Free and Focused

Foggy sports glasses shouldn’t get in the way of your performance. By using the right strategies—anti-fog coatings, better ventilation, regular cleaning, and smart adjustments—you can keep your vision clear and distraction-free.

At Kontor Eyewear, we offer high-performance sports sunglasses with anti-fog features to help you focus on what matters—your sport.

👉 Check out our latest collection of anti-fog sports glasses here.