Vistana fitover sunglasses are designed for a lightweight, durable & flexible frames that fit over all glasses! Vistana are a sleeker, modern look without sacrificing the convenient and effective fitover functions. The wrap style and polarized lenses protect the eyes without the need of side shields from UV radiation & eliminate harsh glare. [Fits over Rx frames NOT EXCEEDING 140mm Width X 44mm Height (5 1/2 Width X 1 11/16 Height)]