Polarized UV400 Polycarbonate lens Alloy frame 1. Polarized Sunglasses for Men Top Quality Metal Designer Glasses full of youth energetic, making it an ideal fashion accessory or gift for your friends and families. 2. Alloy frame give you a more comfortable wearing experience, skin friendly and reduce the presure of your nose and ears. 3. High qualityadjustable nose pads is stable and durable, non-slip and suit various nose features. 4. Exquisit metal hinge durable for long time usage. 5. Polarized Lens has Anti-glare, Anti-reflective, Scrach proof and Shatterproof character, that can block out harmful UVA/UVB. At the meanwhile, polarized sunglasses restore the true color, give you a more HD visual clarity and soft vision, eliminate eye fatigue and protect your eyes better.