Tested under extreme conditions
Approved by KOH Athletes is is KOH's seal of approval that certifies the excellence of KOH Sunglasses. Elite athletes subject them to rigorous testing under extreme conditions, validating their performance, comfort, and durability. This seal represents the trust and credibility that only the best athletes can offer.
Extreme testing Our glasses are tested in real-life situations by professional athletes, ensuring their performance in extreme conditions.
Quality Assurance Only eyewear that meets the highest performance standards receives certification and the athlete's signature.
The Certification Process
Tests
Elite athletes put our eyewear to the test in their respective disciplines, providing videos, test content, and valuable feedback, participating in product development and improvement.
Evaluation
Key aspects such as impact resistance, protection, stability in extreme conditions, and ergonomics during prolonged use are analyzed.
Certification
Only eyewear that meets the highest standards of performance and durability receives the KOH "Approved by Athletes" seal.
See the chosen ones
Athletes who trust KOH
Javier Fernández - Professional Kite Surfer
"The waves may crash hard, but with my Fire Eyes, I always keep my eye on the target."
Chio Delgado – Olympic skier
"I defy gravity in the snow. With my Golden Eyes, perfect vision always guides me."
Oceana Vivo – Professional Sailing Team
"The ocean has no limits. With KOH Sunglasses, we sail beyond the horizon."
Martin Tieles Sande – Spanish Wingfoil Champion
"Speed, control, and adrenaline. With my Eagle, every wave becomes an opportunity to move forward."
Zac Blomeley – Professional Sailor, Olympic Hopeful
“Precision, control, and vision. With my Falcon, I’m always one step ahead.”
Alice Ruggiu – Kitesurfing World Champion
"Mastering the air and the water is my goal. With my Ibiza, I always have my sights set on the summit."
CEA Bétera – Triathlon Sports Club
"Endurance, speed and strength. With our KOH, every goal is closer."
Samuele Bandelli - Professional Kiter
"In extreme conditions, reliable vision is essential. KOH is with me every time.
Gianluca Dambrosio – Professional kitesurfer, Skate, Surf, Snowboard, Cable, Motocross
“In every discipline there is a different challenge, but the need is always the same: to see clearly, react fast, and stay focused. With my Ocean Eyes from KOH, I move between water, snow, land, and air with total confidence.”
ATHLETE CERTIFICATES
Testing process
Each KOH Sunglasses model undergoes intensive testing to ensure its quality, durability, and comfort. Our tests, carried out by professional athletes in real conditions, ensure that you can rely on sunglasses that withstand extreme wind, water, and strong impacts in a reliable and long-lasting way. Whether you're kitesurfing, cycling, or exploring the mountains, KOH Sunglasses always provide the best protection and clear vision.
Water & Waves –The perfect sunglasses for your water sports
Our Sunglasses are tested in extreme water conditions—big waves, jumps, and intense water impacts. Watersports athletes and professionals evaluate how well they maintain their shape and enhance visibility.
- Wave Resistance: Our sunglasses withstand even the toughest wave conditions. Testers check if they remain stable and resistant during jumps and intense water movements.
- Visibility with Water Reflections: We test how well our lenses reduce reflections from water surfaces, ensuring clear vision even in strong sunlight.
- Saltwater Resistance: Our sunglasses are tested for performance in saltwater. No fogging, no impaired vision—so you can focus entirely on your adventure.
- Secure Fit for Water Activities: Even with strong water impacts and intense movements, the sunglasses stay securely in place, ensuring that slipping frames don’t affect your performance.
- Scratch and Sand Resistance: Our sunglasses are designed to resist scratches and wear caused by sand and rough environments, maintaining their functionality and clarity even in challenging conditions.
- Hydrophobic Lenses: Our lenses repel water, preventing droplets from accumulating on the surface and ensuring clear vision even in rain or splashes. This technology also makes cleaning easier and more effective—water and salt don’t stick to the lenses, keeping them ready for action at all times.
Wind & Speed –Performance Under Extreme Conditions
Our Sunglasses Are Tested Under the Toughest Conditions – High Speeds and Strong Winds
Professional athletes put our sunglasses to the test in action, evaluating their stability and durability at top speeds and in stormy conditions.
- Wind Resistance: The sunglasses must remain stable and maintain clear vision even at high speeds and in strong wind—without slipping or losing their shape.
- Temperature Fluctuations: Our sunglasses are tested for adaptability to sudden changes in temperature—from cold to warm environments—without compromising fit or comfort.
- Resistance to Particle Impacts: Dust, insects, and other airborne particles can be a challenge during high-speed activities. Our sunglasses are designed to protect your eyes while still ensuring a clear field of vision.
- Clear Vision at High Speeds: At high speeds, our lens technology prevents distortions and glare, giving you sharp and undistorted vision—even in extreme conditions.
- Helmet Compatibility: Our sunglasses are tested with various types of helmets to ensure a secure and comfortable fit, even during the most extreme maneuvers.
Impact resistance & comfort -Load tests for maximum protection and comfort
In sports that involve fast movements, falls, and collisions, the sunglasses are tested for impact resistance and fit. Professional athletes subject the glasses to intense stress tests and document their experiences to ensure they stay securely in place and provide protection even under extreme conditions.
- Impact Resistance: Our glasses are tested for their resilience during falls, collisions, and sudden movements. Even in extreme situations, they provide full protection.
- Stable Fit & Optimal Comfort: The test includes intense movements and extreme maneuvers. The glasses are tested for their fit and hold, ensuring they don’t slip during quick direction changes or jumps.
- Vibration Resistance: In sports with high vibration intensity, such as mountain biking or racing, the glasses are tested for how well they absorb vibrations and maintain their stability.
- Sweat Resistance: Even under intense physical exertion, the glasses stay securely on the nose. The test ensures they don’t slip during vigorous movements.
- Comfort during Intense Activities: The glasses are tested in various scenarios of intense physical activities to ensure they remain comfortable during jumps, quick turns, or abrupt movements.
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