GRAVEL MASK-STYLE SPORT PRESCRIPTION GLASSES WITH POLARIZED LENSES FOR ALL SPORTS

GRAVEL is the mask-style sport prescription eyewear with polarized lenses, designed for hiking, cycling, running and trail running, sport fishing, water sports, and other outdoor activities.

WHY CHOOSE SPORT PRESCRIPTION GLASSES FOR YOUR FAVORITE ACTIVITY

Polarized lenses filter UV rays, but their benefits go far beyond that. This special type of lens can control and balance light, while reducing UV-A and UV-B radiation through a filter that eliminates transverse reflections.
Thanks to these features, polarized lenses are perfect not only for all sports but also for everyday use, as they reduce eye fatigue and improve visual comfort.

The polarized lenses are made of high-quality optical-grade polycarbonate, an ultra-lightweight material that DEMON uses for all its sports eyewear.
Polycarbonate significantly improves safety, as it offers greater protection against accidental impacts without breaking.
Unlike glass, it does not produce dangerous fragments, making it far safer for active sports.

Advantages of polarized lenses:

• Enhanced contrast perception
• Sharper and clearer vision
• No alteration of natural colors

SPORTS WHERE POLARIZED PRESCRIPTION GLASSES EXCEL

Mountain & Hiking:
Polarized lenses provide excellent eye protection during hikes, especially at high altitudes or in periods of intense UV radiation. They reduce glare and improve comfort even with long exposure to bright light.

Sport Fishing:
Polarized lenses became popular through fishing. They allow anglers to see beneath the surface of the water, making casting and retrieving easier and more precise. Perfect for both freshwater and saltwater fishing.

Aerial Sports:
For pilots and paragliders, polarized lenses offer improved color perception and a greater sense of visual relaxation, even during long hours in flight.

Water Sports:
Ideal for kitesurfing, windsurfing, sailing, or simply relaxing by the sea or lake. Polarized lenses ensure maximum visual comfort throughout the day, eliminating reflections from water surfaces and intense sunlight.

Cycling:
For road cyclists who spend hours under direct sunlight, polarized lenses help reduce eye strain and enhance clarity, especially in prolonged exposure to light with fewer shadow transitions than in mountain biking.

Running & Trail Running:
For runners and trail enthusiasts, polarized lenses allow for full immersion in natural surroundings, enhancing color and contrast perception while providing maximum visual comfort.

Tennis:
For outdoor tennis, polarized lenses enhance the visibility of the yellow ball against the court surface. On exceptionally bright days, they provide sharper vision than standard mirrored category-3 lenses.

Golf:
As with fishing, polarized lenses in golf help players judge distance and terrain more accurately. A clearer, more detailed view of the green improves performance and precision in every shot.

WHY CHOOSE MASK-STYLE POLARIZED PRESCRIPTION GLASSES WITH CLIP-IN TECHNOLOGY

Choosing a mask-style polarized prescription sports eyewear with CLIP-IN technology gives athletes who need prescription correction the ability to enjoy their favorite sport with all the advantages of high-performance eyewear:

• Lightweight, wraparound design for maximum protection from air and debris
• Shatterproof lenses for impact safety
• Non-slip rubber grips for perfect stability
• Prescription clip for optical correction without sacrificing comfort

This system also helps reduce lens customization costs, which are often high for curved base-8 lenses.

You can have your optician create prescription lenses directly for the clip insert.
Indicative costs:

• Single-vision lenses: €50–€80 depending on treatments (anti-fog, anti-reflective, etc.)
• Bifocal or progressive lenses: €220–€300 depending on selected coatings

This solution represents the perfect quality/price balance — maximum performance while keeping costs under control.

TECHNICAL FEATURES

Frame Material:
The TR90 frame offers exceptional lightness and elasticity. Made from a unique combination of carbon fiber and nylon, it provides outstanding resistance to impact and mechanical stress, greatly improving durability.
TR90 is 20% lighter than standard materials, giving GRAVEL a total weight of just 40 grams.

Non-Slip Rubber Parts:
The Grip Technology inserts on the nose pads and temples ensure maximum stability even during sudden head movements or intense vibration.
Made of soft, hypoallergenic Megol, they guarantee lasting comfort for extended use.

Clip-In Prescription Insert:
The internal clip, with a base curve of 6, offers a wide field of view and excellent compatibility with prescription lenses. Made from TR90, it withstands vibration and pressure.
Supports prescriptions up to Sphere -6,00/+5,00 and Cylinder ±2.00 (astigmatism).

Clip Dimensions:
Lens height: 40 mm
Lens width: 45 mm
Base: 6
Can accommodate lenses up to Sphere -6.00 / +5.00 and Cylinder ±2.00 depending on optical configuration.

GRAVEL Frame Dimensions:
Width: 150 mm
Height: 60 mm
Temple length: 120 mm
Lens base: 8

All products are shipped in original packaging. For certain models, the color or shape of the case may differ from that shown.