Eight Tokyo Men's Photochromic Sunglasses with Blue Light Blocking, Perfect for Sports, Exercise, Driving, Golf, Running, Jogging, and More. UV Protec

eight tokyo is a registered eyewear brand of Eight Co., Ltd. Protect your eyes from harmful rays with these photochromic sunglasses that change color according to UV intensity. ■Visible light transmittance: 30% when exposed to light (darkens), 82% when blocked (lightens). ■Blue light blocking rate: 72% when exposed to light, 29% when blocked. High-quality lenses from a manufacturer in Sabae City, Fukui Prefecture, Japan's leading eyewear production center, ensure reliable quality and a comfortable fit. "The lenses and frame physically protect your eyes from wind and dust. Recommended for pollen season." The frames are made of TR-90, a flexible yet strong material also used in space development. These stylish frames are unisex. Designed to fit the Japanese frame, they provide an excellent fit! The lightweight design minimizes strain even when worn for long periods of time and prevents slippage. Size: Width 14.5cm, Height 4.8cm, Temple 14.5cm, Width 13.8cm, Weight 24g. Accessories: Made in Japan leather soft case, TEIJIN special material eyeglass cloth. Lens care is easy. High-quality accessories ensure long-lasting comfort. "Photochromic lenses change color in response to UV rays, but car windshields block UV rays, so color changes are less likely to occur inside a car.