KAPVOE Polarized Sports Sunglasses, Ultra-Lightweight TR90 Frame, Blocks Over 99% of UV400 UV Rays, Impact-Resistant, Anti-Fog Lenses, for Men and

[Photochromic Technology] Photochromic lenses automatically change from clear to dark depending on the intensity of UV rays, maintaining appropriate brightness and protecting your eyes even in strong sunlight. The visible light transmittance of these photochromic sunglasses varies from 85% to 15%. [100% UV400 Protection] The UV400 protective coating blocks 100% of UVA & UVB rays and harmful blue light, preventing age-related eye diseases and vision problems. [Comfortable and Lightweight] The ultra-lightweight design, weighing just 29g, reduces pressure on the nose and temples. Soft, adjustable nose pads and a flexible TR90 frame provide a comfortable fit. Additionally, a myopia-resistant inner frame is included, making it convenient to wear prescription lenses. [Powerful Ventilation System] These sports sunglasses feature an excellent ventilation system with 10 air vents on the lenses and temples. This not only prevents the lenses from fogging up, but also improves breathability when worn. [Multi-purpose use] These photochromic sports sunglasses are perfect for outdoor activities such as baseball, running, cycling, triathlon, mountain climbing trips, softball, and hiking.