Perfect polarized lenses -- Bircen polarized sunglasses have a uv rating of 400, which means they block 100% UVA UVB and UVC rays, without the haze and optical distortion of conventional polarized lenses. Polarized lenses optimize vision for maximum clarity. Bircen polarized sunglasses lense help reduce glare caused by reflected light and improve your vision and eye comfort. | Aluminum magnesium alloy makes the frame strong and light. Sunglasses are only a few dozen grams, and you can barely feel them on your face, but they're unbreakable. Suitable for motorcycle, bicycle, driving, running, hiking, walking,golf, fishing and other outdoor sports enthusiasts. | Spring-hinge: a pair of spring-hinge sunglasses will provide all the flexibility and practicality you want, and allow the sunglasses arm to extend beyond the traditional 30-degree range of motion when opening the sunglasses. Protect your glasses from bending or breaking for higher comfort. | Non-slip nose pad -- selected high-quality imported soft silicone material to prevent glasses from slipping during work or exercise. Ergonomic modeling, light and elastic, comfortable to wear. Relieve pain or discomfort. | 30 days no reason to refund service - all Bircen customers will receive a 30 day no reason refund service. If for some reason the purchase is not satisfactory, the customer can return the product and receive a refund. You have no risk of trying and will provide you with the best service!

Perfect polarized lenses -- Bircen polarized sunglasses have a uv rating of 400, which means they block 100% UVA UVB and UVC rays, without the haze and optical distortion of conventional polarized lenses. Polarized lenses optimize vision for maximum clarity. Bircen polarized sunglasses lense help reduce glare caused by reflected light and improve your vision and eye comfort. | Aluminum magnesium alloy makes the frame strong and light. Sunglasses are only a few dozen grams, and you can barely feel them on your face, but they're unbreakable. Suitable for motorcycle, bicycle, driving, running, hiking, walking,golf, fishing and other outdoor sports enthusiasts. | Spring-hinge: a pair of spring-hinge sunglasses will provide all the flexibility and practicality you want, and allow the sunglasses arm to extend beyond the traditional 30-degree range of motion when opening the sunglasses. Protect your glasses from bending or breaking for higher comfort. | Non-slip nose pad -- selected high-quality imported soft silicone material to prevent glasses from slipping during work or exercise. Ergonomic modeling, light and elastic, comfortable to wear. Relieve pain or discomfort. | 30-Day Money Back Guarantee - All BIRCEN customers receive a 30-day money back guarantee. If the purchase is not satisfactory for any reason, the customer can return the product and receive a refund. You have no risk of trying, we will provide you with the best service!

EXCELLENT POLARIZED LENSES-Bircen men's and woman sunglasses TAC (Triacetate) lenses use 100% UV protection coating,block off 99% harmful rays.Bircen polarized sunglasses help reduce glare caused by reflected light to improve vision and comfort. | LIGHTWEIGHT Al-Mg METAL FRAME: Bircen men's and woman polarized sunglasses lightweight fashion design is ideal for any climate and weather conditions, perfectly choices for outdoor activities such as walking, driving, shopping, travelling, fishing, taking photos, also suitable as high fashion accessory and daily wear all year round. Classic sunglasses lens and frame suitable for men and women. | OUTSTANDING SUNGLASSES–Bircen sunglasses for bright sunlight with the most realistic color reproduction and also work well in medium light and partial shade. Bircen sunglasses block 100% of the harmful UVA and UVB rays and meet or exceed all U.S. ANSI standards.Thoughtful and Ergonomic Design offers high comfort thanks to our exclusive smart technology. | CLASSIC FASHION DESIGN -Select from a variety of stylish mirror lens finishes and frame colors to suite your eyewear taste.Bircen polarized sunglasses reduce glare - Impact resistant TAC lenses protect your eyes from flying objects - Lightweight, durable, and comfortable Al-Mg frames.Anti-slip nose and temple pads. | 30 DAYS NO REASON TO REFUND SERVICE - all Bircen customers will receive a 30 day no reason refund service. If for some reason the purchase is not satisfactory, the customer can return the product and receive a refund. You have no risk of trying and will provide you with the best service!