KAPVOE Photochromic Cycling Glasses Sports Sunglasses for Men Women UV400 Protection Bicycle MTB Mountain Bike Sunglasses

【Photochromic Technology】The photochromic lenses can automatically change from clear to dark gray in response to the intensity of the ultraviolet, effectively maintain a suitable brightness to protect your eyes under strong sunshine. The visual light transmission of this photochromic glasses is from 85% to 15%.
【99.99% UV400 Protection】Featuring UV400 protection coating, these cycling sunglasses can defend against 100% of UVA & UVB rays and harmful blue light, which may lead to age-related eye diseases and vision problems.
【Comfortable and Lightweight】Weighing only 29g, these ultra-light bike glasses reduce pressure on your nose and temples. The soft adjustable nose pad and flexible TR90 frame provide you a more comfortable wearing experience.Include a myopia frame in the mtb glasses package,convenient for you to configure glasses.
【Powerful Ventilation System】These mountain biking glasses have an excellent ventilation system with 10 vents on the lenses and legs. The ventilation system not only prevents the lenses from fogging up, but also makes them more breathable when wearing.
【Multifunctional Occasions】These photochromic sports glasses are perfect for outdoor activities such as cycling, biking, running, MTB, baseball, driving, triathlon, fishing, mountain tourism, softball, hiking, etc.