POLARIZED LENSES - Polarized lenses with polarization properties effectively eliminate reflected light and scattered light, while blocking dangerous UV rays. In this way, the glasses will avoid eye strain in strong light sources and improve visual clarity, giving your eyes long-lasting and reliable protection. UV400 PROTECTION SPORTS GLASSES - Our sunglasses can block more than 90% of UV rays and can effectively reduce light transmittance. For UV rays of 400nm or less, the light transmittance can be limited to 5% or less. Less UV exposure protects you from eye diseases such as cataracts, corneal conjunctivitis, retinitis etc. The perfect polarized sunglasses for both men and women. ADVANCED AND LIGHTWEIGHT FRAME - The frame of the sports sunglasses is professionally designed to fit the shape of your face, which can effectively protect your eyes from wind or other foreign objects during outdoor activities. Polarized lens material and frame flexibility have been carefully thought out to avoid any unwanted damage during your exercise. DURABLE POLARIZED SUNGLASSES - We understand that any extra weight during sports activities can cause successive and cumulative consequences to the results. To deal with this problem, we have chosen for our sports glasses, suitable for both women and men ideal for fishing, boating, driving, cycling, physical activity, sailing, daily life and various other occasions.