Uv400 protection: advanced lens technology blocks 100% of harmful uva and uvb rays, providing comprehensive eye protection during outdoor activities and safeguarding your vision from sun damage polarized performance: tac tri-acetate cellulose lenses effectively reduce glare from reflective surfaces like water, roads, and snow, enhancing visual clarity and reducing eye strain versatile design: perfect for multiple outdoor activities including cycling, driving, fishing, and golf, these sunglasses adapt to various environments while maintaining optimal visibility lightweight comfort: engineered with a lightweight frame construction that ensures all-day wearing comfort without pressure points or fatigue secure fit: ergonomically designed frame provides a stable and secure fit during dynamic movements, making them ideal for high-intensity activities and sports why do you need polarized sunglasses when you're biking outdoors, sunlight reflecting off horizontal surfaces like roads or water can cause the biggest problems for your vision. This reflected sunlight is called glare. It causes common problems such as discomfort, squinting, eyestrain, headaches and visual disturbances. Polarized lenses contain a built-in laminated filter that allows only vertical light to pass through, leaving horizontal light without glare. Rockbros cycling sunglasses features industry s advanced technology and class premium polarized film to protect your eyes and creates an amazing difference discover...