Black frame and photochromic silver lenses Photochromic Cycling Sunglasses - Lightweight TR90 Frame, HD Vision for Road Biking & Running

Photochromic Cycling & Sports Sunglasses Experience ultimate clarity and adaptability on your rides and runs with the Photochromic Cycling Sunglasses. Engineered for performance, these glasses feature advanced lens technology, an ultra-lightweight TR90 frame, and a comfortable, secure fit, making them your perfect companion for all light conditions. Smart Photochromic Technology: The advanced PC lenses automatically adjust their tint based on UV light intensity. They darken in bright sunlight and lighten in overcast or low-light conditions, providing optimal vision and eye protection from day to night without needing to swap lenses. High-Definition Optical Clarity: Lenses are designed to offer superior visual acuity, reducing distortion and enhancing contrast. See the road, trail, or track with exceptional clearness and detail. Ultra-Lightweight TR90 Frame: Constructed from highly flexible and durable TR90 material, these glasses weigh an astonishingly light 32g (1.12oz). This ensures all-day comfort, reducing pressure on your nose and ears, so you can forget you are even wearing them. Ergonomic & Secure Fit: Designed to 'hug your ears' with a stable three-point bonding system, these sunglasses stay securely in place even during intense activities, preventing slippage and ensuring consistent coverage. Windproof & UV Protection: The large, wraparound lens design provides excellent protection from wind, dust, debris, and harmful UVA/UVB rays, safeguarding your eyes during high-speed cycling or running. Included Myopia Frame: Comes with a detachable inner frame for prescription lenses (Myopia Frame). A thoughtful solution for athletes who require vision correction, allowing them to enjoy the full benefits of these performance sunglasses. Effortless Disassembly: The 'Instant Unlock' feature allows for easy loading and unloading of the myopia frame, making customization and cleaning simple. Product Specifications: Dimensions: Package Includes: 1 x NAFEIB Riding Eyeglasses Note: Manual measurements may have a slight error; please refer to the actual product.