UNDERGROUNDJOBS Photochromic Polarized Sunglasses for Men and UV Color for and Running Gray with Photochromic Women, Protection, Ultra-Lightweight,

[Photochromic lenses] Photochromic dye coated on the lens changes its molecular shape when exposed to UV (ultraviolet rays), causing it to discolor. In places with high levels of UV rays, such as outdoors, the lens color darkens, changing like sunglasses. The lens only changes when exposed to UV rays, and since the original lens color is light, it can be used indoors without any discomfort. *Note about photochromic lenses: Photochromic lenses change color differently depending on the temperature, amount of UV rays, lens angle, etc. They will not discolor indoors or in a car through UV-blocking glass. [Polarized Lenses] Polarized lenses use a polarized film to block out dazzling light that can obstruct your view, making it easier to see. They eliminate scattered reflections and ensure clear vision, making them ideal for a variety of situations, including driving and fishing. [Lightweight frame] The frame is lightweight and durable. Photochromic Sunglasses Lenses: The photochromic dye coated on the lenses changes its molecular shape when exposed to UV rays, resulting in a color change. In high UV conditions, such as outdoors, the lens color darkens, creating a sunglasses-like effect. The lenses only change color when exposed to UV rays; since the original color is light, they can be worn indoors without any discomfort. Important Note about Photochromic Lenses: The color change of photochromic lenses varies depending on temperature, UV levels, and lens angle. However, they will not change color indoors or in a car through UV-blocking glass. Polarized Lenses: Polarized lenses use a polarizing film to filter out distracting glare, improving visibility. Eliminating scattered reflections and ensuring clear vision, they are ideal for a variety of occasions, including driving and fishing. Lightweight Frame: The frame is made of durable TR90, the same material used for baby bottles, and aluminum alloy, making them lightweight and durable.