Product detail Material:TAC Polarized Lens/PC Photochromic Lens Weight:about 20g Color:6 colors Photochromic Lens Indoors (No UV) 5 Seconds in Bright Sunlight 10 Seconds in Bright Sunlight Note: The lens transition takes time. When entering a tunnel during a ride, it is recommended to lift your glasses until they adapt to low light conditions before use Sunny Day - Strong UV Automatically Darkens, Reduces Light Transmission Cloudy Day-Weak UV Slight Change, Restores Clarity Night - No UV True vision, naked eye effect TAC Polarized Lenses, Resisting Glare and Stray Light Product feature 1.Effectively prevents visual fatigue caused by light stimulation 2.Filters out glass surface reflections, reduces visual interference, ensures clear vision, and lowers safety risks 3.Highly resilient and lightweight frame, bend-resistant, reduces head pressure, and provides comfortable wearing 4.Bend-resistant, skin-friendly, and sweat-wicking Children's Outdoor Sports Glasses Product information Why is it recommended for children to wear outdoor glasses? Compact and Lightweight, Feather-Like Comfort Weighing only about 20g, it's a lightweight way to ride UV400 Protection for Clearer Young Eyes Effectively blocks UV rays and prevents eye damage from strong light PC Photochromic Lenses, Suitable for All-Day Wear Under the intense sun, the lenses gradually darken to block strong light. When returning indoors or in dim weather, the lenses automatically lighten TAC Polarized Lenses, Resisting Glare and Stray Light Filters out glare and reflections from road surfaces, water, snow, glass, etc., providing a clear view TR90 Memory Frame, Self-Adaptive Fit Highly resilient and lightweight frame, bend-resistant, reduces head pressure, and provides comfortable wearing Resilient Frame Arms, No Face Compression Say goodbye to traditional rigid frame arms. Comfortable and supportive, they reduce head pressure and eliminate discomfort on the nose and ears More Details

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