1. Light weight: about one-tenth the weight of glass of the same volume, and half the weight of traditional resin lenses
2. Durable: It has the physical properties of impact resistance and deformation resistance. Under the strong impact, the chap does not break, and there is no fragmentation - the so-called safety lens
3. Environmental protection: Thermosetting materials are recyclable because they can be recycled and processed into other industrial products
HD POLARIZED FUNCTION:100% UV 400 protection coating, block 100% harmful UVA &UVB rays. In addition to the two basic functions of ordinary sunglasses to block strong light and filter ultraviolet rays, these polarized lenses can also eliminate reflections on bright surfaces such as water and snow, and other horizontal surface, and can eliminate glare from all directions