● polarized● Lens width: 2.48 inches● Lens height: 5.2 centimetres● Bridge: 14 millimetres● 100% UV400 Protection● 【WIDE-FIELD YELLOW GLASSES】Classic aviator design provides the wide-field yellow lenses, which will keep eyesight more broad than the narrow lenses. The yellow lenses provide greater clarity in fog, haze, dark and other low-light conditions, which will improve your performance and reduce eyes fatigue.● 【COMPOSITE TAC LENS】Only high quality sunglasses offer a multi-layered polarized lens, which is durable and unbreakable. The multi-layer composite meets the requirements of the international standard along with the sunglass lens UV 400 standard. They are 7 layers of lens, mainly functions are scratch resistance/ polarized/ impact resistance/ UV400 protection/ abrasion resistance/ color display.● 【DURABLE FRAME】Metallic alloy is the most durable eyeglass frame material, which adopts advanced plating technology. These sunglasses are constructed using special design techniques in order to ensure lightweight and avoid breakage while engaging in sports and recreational activity. What's more, the eyewear frame is equipped with spring, that will adjust itself to makes the glasses fit all kinds of face.