Xiaomi Mi polarized lens is a low-cost lens that is not bonded with the layer of polarization film. It has a good anti-UV function, but it also has many shortcomings of rainbow effect and poor anti-impact performance. Therefore, most of the cheap polarized sunglasses on the market are TAC polarizing lenses. Polarized lenses, dynamic color. Equipped with high quality TAC lenses, Xiaomi Polarized Sunglasses have passed the strict polarization test of TUVA Lab and have been recognized by European authorities for their impact resistance and anti-UV performance. The sunglasses feature imported frame materials, nose pads, lenses and screws for ensuring quality and long term use. With Italian polarized lenses to protect the eyes from UV rays, it also provides clear vision and protection from glare. With adjustable angles on the bridge of the nose and temples, you can easily adjust the length of each part of the frame. The attached case is made from tough PC material which ensures durability. The Xiaomi Mi Polarized Explorer Sunglasses is made of TR90 material, which has such features as high toughness, comfortable feel, soft texture and lightweight. Its features include: durable, lightweight, flexible and resistance to corrosion by sweat. The sunglasses are equipped with polarized lenses, which effectively filter out ultraviolet light that causes glare and haze. This can better protect the eyes of the wearer. The Xiaomi Mi Polarized Explorer Sunglasses is made of TR90 material, which has such features as high toughness, comfortable feel, soft texture and lightweight. Its features include: durable, lightweight, flexible and resistance to corrosion by sweat. The sunglasses are equipped with polarized lenses, which effectively filter out ultraviolet light that causes glare and haze. This can better protect the eyes of the wearer. Xiaomi Mi Polarized Explorer Sunglasses are dedicated to, and inspired by, the adventurers who are on the search for new lands to explore. With a variety of features that suit ythe personal style and needs, such as 3 layer titanium-aluminum alloy temple arms for extra strength, or UV400 protection lenses, you can experience adventure without worry