UV400 PROTECTION AND POLARIZED LENSES. UV400 protection lenses block 100% of harmful UVA and UVB rays, ensuring the health of your eyes. The polarized function filters glare, eliminates reflected light and scattered light from roads, water, snow, and other horizontal surfaces, restoring true color. HIGH-QUALITY MATERIALS. The frame and temples of these retro sunglasses are made of high-quality elastic plastic, which is ultra-light, flexible, and comfortable to touch. The lenses are made of polycarbonate, which is high-temperature resistant, ultra-light, and super impact-resistant. This means your sunglasses can be used for a long time without scratching or breaking. LIGHTWEIGHT DESIGN. These retro-style sunglasses for men and women weigh only 24g, providing a stress-free wearing experience. The lightweight design makes wearing more comfortable. PERFECT ALL-ROUND: CGID half-rim glasses for men and women are the perfect choice for outdoor sports and activities such as running, cycling, golf, driving, fishing, traveling, hiking, and are suitable as fashion accessories and daily wear all year round. These unisex sunglasses are also a wonderful festival gift for friends and family! AFTER-SALES SERVICE. All CGID customers enjoy a 30-day money-back guarantee and a lifetime warranty against breakage. Customers can return their purchase and get a refund if it is not satisfactory for any reason within one month. You have no risk to try and we will offer you the best possible service!