Ewin Polarized UV400 Protection Sports Sunglasses with Unbreakable Lens and Frame for Men Women Cycling Driving Hiking Fishing Golf and Other Outdoor Activities Black TAC Polarized Lens: 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. Restore true color, eliminate reflected light and scattered light and protect your eyes perfectly. TAC lens includes 7 layers. The 1st layer is polarization layer. The 2nd and 3rd layers are adhesive layers to enable durability. The 4th and 5th layers are UV protection layers to absorb UV light. The 6th and 7th layers are shatterproof layers. FDA medically approved. Polycarbonate lens and frame, impact resistant, anti-shock, anti-scratch, anti-glare, unbreakable lens. Flexible grip frame, no slippage. Perfectly fit your face for compete comfort and increased peripheral vision. Fashion and stylish design, with rich color combinations of frames and lens. Shatterproof sunglasses for all outdoor sports, driving, travel, casual occasions. golf, running, cycling, baseball, fishing, camping, sailing, trekking. Comes with top quality non crush clip-on protective case. 30 Days Money Back Guarantee, Lifetime Breakage Warranty on Frame & Lens. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. Ewin provides lifetime after sale service for all Ewin products.