POLYCARBONATE LENS - made from a similar material to that of aircraft windshields and are virtually indestructible. Polycarbonate is light and scratch resistant (Non scratch proof), offers a high level of optical clarity, and is 50 times more impact resistant than optical glass making for a very strong, distortion free lens
ULTRA LIGHTWEIGHT FRAME - Al-Mg Alloy is prized for its combination of lightness and strength.You can hardly feel them on your face, but they are unbreakable.Best for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities
FASHION, LIGHTWEIGHT & CLEAR - Polarized Shield sunglasses is perfect for enjoying the outdoors, running, driving, cycling or baseball, which makes you could feel more energetic. And these different colors sunglasses for men and women are best choice for you