These authentic Sting SST436 Polarized L46X polarized sunglasses have Grey Plastic frames and are available online for a discounted price at SmartBuyGlasses. Sting sunglasses are the perfect way to shield eyes from harmful UV rays whilst staying a step ahead of the fashion curve. Lens color: Silver. Lens material: Plastic. Collection: Men 2015. Size: 49. Condition: new. Sting sunglasses come with a certificate of authenticity directly from the manufacturer. UPC: SG604163. Authencity guaranteed.