These authentic Smith BOOMTOWN Polarized RIW/ZY polarized sunglasses have Grey Plastic frames and are available online for a discounted price at SmartBuyGlasses. Smith sunglasses are the perfect way to shield eyes from harmful UV rays whilst staying a step ahead of the fashion curve. Lens color: ChromaPop™ Green Mirror Polarized. Lens material: Plastic. Collection: Men 2020. Size: 99. Condition: new. Warranty: 24 months. UPC: SG637421. Authencity guaranteed.