
APPROVED
BY ATHLETES
Water Sports
Running & Trail
Cycling
Extreme Sports
Tested under extreme conditions
Approved by Athletes is the 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.
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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 "Approved by Athletes" seal, along with the athlete's signature certifying it.
Official Test Guide:
KOH Sunglasses undergo rigorous testing by professional athletes in their respective sports, both during training and competition. Each test is conducted under extreme conditions, with a focus on durability, performance, and functionality.
Athletes document their experience through videos, live testing, and valuable feedback for product development and improvement.
Water sports:
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Wave Resistance: Sunglasses are tested in strong wave conditions and jumps to verify their resistance and stability.
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Visibility with Water Reflections: Athletes check the sunglasses' ability to reduce water reflections, improving visibility in strong sunlight.
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Secure Fit: It is evaluated whether the sunglasses remain in place even during intense movements and water impacts.
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Resistance to Sand and Scratches: Sunglasses are tested in beach and sand environments to ensure durability against potential scratches and wear.
Speed & Motion sports:
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Wind Resistance: Sunglasses are tested at high speeds to verify their stability and resistance to wind.
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Adaptation to Temperature Changes: Their performance when transitioning between cold and warm environments is evaluated.
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Helmet Compatibility: It is ensured that the sunglasses are compatible with different types of helmets.
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Impact Resistance from Particles: Athletes test the sunglasses against high-speed particles (dust, insects, etc.) to evaluate their resistance and protection.
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Visual Clarity and Glare Reduction: The sunglasses' ability to maintain clear and distortion-free vision, even at high speeds, is assessed.
TESTING BY DISCIPLINE
Kitesurf / Wingfoil / Windsurf / Wakeboard:
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Impact Resistance: Sunglasses are tested under conditions of falls and sudden maneuvers to verify their resistance to impacts.
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Grip During Fast Movements: Stability is tested during quick turns and abrupt movements, evaluating fit and comfort.
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Extreme Wind Resistance: Athletes check how securely and comfortably the sunglasses stay in strong wind conditions.
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Adaptation to Light Changes: The sunglasses’ ability to adapt to sudden light changes is tested.
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Resistance to Saltwater and Water Exposure: Their performance in contact with saltwater is evaluated to ensure no fogging or loss of visibility.
Paragliding / Highline / Base Jump:
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Wind Impact: Athletes test the sunglasses in strong wind conditions to evaluate their stability and resistance to extreme wind.
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Visibility at High Altitudes: Clear and distortion-free vision from great heights is verified.
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Stability in Turbulence: Sunglasses are tested in turbulence conditions to evaluate performance in extreme wind and unstable movement situations.
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Grip in Extreme Turns: The secure fit of the sunglasses during extreme maneuvers is assessed.
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Glare and Distortion Reduction: Athletes test the sunglasses' ability to minimize glare and visual distortion in conditions of high sun exposure.
MTB / Downhill / Trail Running / Cycling:
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Shock and Vibration Resistance: Sunglasses undergo impact tests to assess their durability during falls or collisions.
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Adaptation to Light Changes in Forested Areas: Their ability to adapt to sudden light changes when transitioning between sunny and shaded areas is evaluated.
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Impact Resistance: Athletes verify their ability to withstand hits or falls on rough terrain.
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Fit and Sweat Resistance: Sunglasses are tested to ensure they remain comfortable and secure, even in intense sweating conditions.
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Helmet Compatibility: Their comfortable fit with different helmet types is evaluated.
KOH Floating strap
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Buoyancy: The KOH floating strap is tested to ensure it keeps sunglasses afloat in case they fall into the water, preventing loss.
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Comfort and Fit: The strap is evaluated to guarantee a secure and firm fit, even during intense movements such as jumps or quick turns.
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Wave Resistance: The strap’s ability to withstand impact and movement in strong wave conditions is assessed, ensuring the sunglasses remain in place.
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"Approved by Athletes" Seal – Proven Performance, Guaranteed Confidence – Approved by the Best