【Al-Mg Metal Alloy Frame】Aluminum-magnesium frame construction generates proper strength and optical stability through a hybrid lightweight metal alloy. Make frame Strong and light.You can hardly feel them on your face, but they are unbreakable. Soft thermoplastic rubber tipped temples grip lightly to ensure proper location of the optics without slippage.
【TAC Polarized Lens】 UV400 Protection Coating blocks 100% of harmful UVA & UVB rays. Polarized sunglasses reduce glare reflected off of roads, bodies of water, snow, and other horizontal surfaces.Visually restores true color, eliminates reflected or scattered light. So your eyes are more comfortable and you can see better. TAC polarized triacetate lenses are impact and scratch resistant, lightweight and durable!