POLARIZED & 100% UV400 PROTECTION：High quality polycarbonate lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nm, and keeping you safe from blinding rays by filtering out 99% of reflected glare without the haze or optical distortion. ULTRALIGHT COMFY FRAME: Flattering lines create aesthetically pleasing frame appearance, and ergonomic construction provides the best wear feeling. A lightweight-durable frame materials provide the ultimate in performance and all-day comfort. TAC POLARIZED LENS: Specialized multiple layer lens designed to filter and block over 99.96% of glare. IALUKU polarized lenses blocks out intense horizontal reflections (glare) by having vertically oriented filter layer embedded in the lens, providing maximum comfort and improved visibility. ADVANCED OVERSIZED DESIGN: Offering enhanced lenses coverage and specialized lenses curvature for protection against sun, wind and impact. Polarization restores true color, making the scenery more clear and soft. Best choice for driving, fishing, hiking, traveling and other outdoor activities. 30 DAY MONEY BACK GUARANTEE: All IALUKU customers enjoy 30 Day Money Back Guarantee. we are keeping up the best service on Amazon★★★★★ 30 days warranty on frame & lenses with money back Guarantee!!!✔✔✔ 12 hours quick response service. Click the Product Page Logo of \"IALUKU USA\" and contact our service team, we\'ll be always there for you.