Polarized Photochromic Sunglasses for Men, UV Protection, Fishing, Driving, and More. Square Shape, Aluminum Alloy Frame, Lightweight, Carbon Fiber

These photochromic polarized sunglasses [ao113c] change color depending on the intensity of sunlight. Photochromic sunglasses have lighter lenses indoors where UV rays don't reach, and gradually darken in sunlight and UV exposure outdoors. The lens color changes according to the intensity of UV rays! The frame is made of aluminum + magnesium alloy, offering excellent durability and heat resistance. The temples are made of carbon fiber, making them lightweight, flexible, strong, and corrosion-resistant. The lenses are TAC polarized lenses, offering excellent impact resistance! Spring hinges provide a gentle fit against the temples. The nose pads are adjustable for a perfect fit. ●Frame Color/Lens Color: Black/Yellow Photochromic Polarized, Gunmetal/Yellow Photochromic Polarized, Black/Gray Photochromic Polarized, Gunmetal/Gray Photochromic Polarized ●Material: Frame: Aluminum + Magnesium Alloy, Temple: Aluminum + Magnesium Alloy, Lens: Plastic (TAC) Photochromic Polarized UV Transmittance: 1.0% Weight: Approx. 24g ●Visible Light Transmittance: Gray Photochromic Polarized: Before photochromic 61% - After photochromic 23%, Yellow Photochromic Polarized: Before photochromic 75% - After photochromic 27% ●Accessories: Case, drawstring bag, glasses cloth ●Size Information: Frame width (approx.): 145mm, Frame height (approx.): 44mm, Bridge width (approx.): 17mm, Lens height (approx.): 39mm, Lens width (approx.): 56mm, Temple length (approx.): 135mm