Composite frame anti-reflective lens polarized Lens width: 2.28 inches DUCO fit over men, women, and children's prescription glasses! Polarized sunglasses can be worn over existing prescription glasses with Fashion appeal and designer features. Side Lens for better peripheral vision and eye protection. Please take a minute to check detail page. PRODUCTS DIMENSION-Lens height:39 mm (1.53 inches); lens width:58mm (2.28 inches); leg length:135mm(5.31 inches); nose bridge:20 mm ( 0.78 inches); frame length:138 mm (5.43 inches). The frame is made of TR90,it is extreme flexibility, durability and light weight make it the perfect material for performance eyewear.It can be bent to 90 degrees without broken and can float over water.(See image left) So it is much worth your money than other's Polycarbonate Frame which may be half of DUCO's price.