OUTDO 3rd Generation Ultra-Lightweight Photochromic Running Sunglasses

Elevate your marathon performance and daily training with the OUTDO 3rd Generation Running Sunglasses. Engineered specifically for elite athletes and outdoor enthusiasts, these glasses represent the pinnacle of sports eyewear evolution. Combining a feather-light frame with advanced optical transition technology, they provide seamless visual clarity from the first mile at dawn to the final stretch under the midday sun. Whether you are navigating a technical trail or a city marathon, these glasses offer the protection and stability required for peak performance.

Key Benefits

Advanced FD Film Photochromic Technology:** Experience the next level of light adaptation. The 3rd generation FD film ensures a faster, more uniform color transition that responds instantly to UV intensity, making these glasses truly "day and night" compatible.

HO Double-Curve High-Definition Lenses:** Designed to wrap around the face, the double-curve lens geometry minimizes peripheral distortion and provides an expansive field of view while shielding your eyes from wind, dust, and debris.

Ultra-Lightweight PPSU Memory Material:** The frame is constructed from premium PPSU, a high-performance memory polymer known for its incredible toughness and flexibility. This material allows the glasses to retain their shape while remaining light enough to "disappear" during long-distance runs.

O-40 HD Optical Precision:** See the road with stunning clarity. The O-40 optical technology enhances contrast and sharpens details, significantly reducing eye fatigue during extended outdoor sessions.

Upgraded Adjustable Silicone Fit:** Featuring an improved anti-slip silicone nose pad, these glasses offer a customizable fit that stays secure even during high-intensity movement. The skin-friendly material is resistant to aging and sweat, ensuring long-lasting comfort.

Key Specs

Frame Material:** PPSU Memory Polymer

Lens Tech:** HO Double-Curve / FD Film Photochromic

Optical Grade:** O-40 HD Optical Technology

Nose Pads:** Adjustable Anti-slip Silicone

Design:** Patented ergonomic sports structure

How to Use

Place the sunglasses on your face before heading outdoors. The intelligent lenses do not require manual adjustment; they will automatically darken when exposed to sunlight and clear up in shaded or indoor environments. For a personalized fit, gently pinch or widen the adjustable silicone nose pads to ensure the frame sits securely on your bridge without bouncing during your stride.

Care & Safety

To preserve the specialized FD photochromic film, always store your sunglasses in a protective hard case when not in use. Avoid exposing the lenses to extreme heat, such as a car dashboard in summer, as high temperatures can affect the transition material. Clean the lenses exclusively with a clean microfiber cloth to avoid scratching the high-definition coatings.

Notes

These professional-grade glasses are designed to ensure the lens can "变色更快更均匀" (change color faster and more uniformly) for a superior visual experience in changing light conditions.