KAPVOE Polarized Sports Ultra Lightweight TR90 Blocks Over of UV400 UV Impact for Men and Mountain Trekking Photochromic Sunglasses, Frame, 99% Rays,

[Photochromic Technology] Photochromic lenses automatically change from clear to dark depending on the strength of UV rays, maintaining appropriate brightness to protect your eyes even under strong sunlight. The visible light transmittance of these photochromic sunglasses changes from 85% to 15%. 【100% UV400 Protection】Coated with UV400 protective coating, it blocks 100% of UVA & UVB rays and harmful blue light, which helps prevent age-related eye diseases and vision problems. [Comfortable and Lightweight] The ultra-lightweight design weighs only 29g, reducing pressure on the nose and temples. The soft and adjustable nose pads and flexible TR90 frame provide a more comfortable fit. In addition, it comes with an inner frame for myopia, making it convenient to wear prescription lenses. [Strong ventilation system] These sports sunglasses have an excellent ventilation system with 10 vents on the lenses and temples. This not only prevents the lenses from fogging up, but also improves breathability when worn. [Multi-purpose use scenes] These photochromic sports sunglasses are perfect for outdoor activities such as baseball, running, cycling, triathlon, mountain climbing trips, softball, hiking, etc. These photochromic sports sunglasses are perfect for outdoor activities such as baseball, running, cycling, triathlon, mountaineering trips, softball, hiking, etc.