Ray-Ban RB4171F Erika sunglasses are fashion-forward and stylish sunglasses for women and men. Featuring round pilot lenses, these oversized round Asian Fit sunglasses are designed to fit people with higher cheekbones and wider nose bridges. Erika RB4171F sunglasses feature prescription-ready (Rx-able) plastic lenses that are treated with a 100% UV protective coating.Ray-Ban Erika RB4171F sunglasses available in a variety of colors and lenses include polarized, gradient and solid lenses making these sunglasses ideal for both sunny and hazy days. These Ray-Ban unisex sunglasses include a 100% nylon frame. The bridge measures 18 mm, and the arms measure 145 mm. These sunglasses also feature a lens width of 54 mm.Ray-Ban is the worlds most iconic eyewear brand and is a global leader in its sector. Every model in the Ray-Ban collection is the product of meticulous, original styling that translates the best of the latest fashion trends into an ever-contemporary look for millions of Ray-Ban wearers around the world. From the early Aviator style that emerged in 1937 to the introduction of the classic Wayfarer in 1952, Ray-Ban is a brand that embodies America, adventure, great cities, wide-open spaces, heroism, individuality, and authenticity.