Monthly Payment at 4 installments with AfterPay. These authentic RB4305F Asian Fit 616613 sunglasses have Brown Plastic frames and are available online for a discounted price at SmartBuyGlasses. Ray-Ban sunglasses are the perfect way to shield eyes from harmful UV rays whilst staying a step ahead of the fashion curve. Lens color: Brown Gradient Dark Brown. Lens material: Plastic. Collection: Men 2020. Size: 53. Condition: new. Warranty: 24 months. UPC: SG479893. Authencity guaranteed.