Serengeti Boron Polarized SS525002 polarized sunglasses have Grey Metal frames and are available online for a discounted price Serengeti sunglasses are the perfect way to shield eyes from harmful UV rays whilst staying a step ahead of the fashion curve Lens color: Blue Photochromic Polarized Lens material: Plastic Collection: Men 2020 Size: 56 Condition: new Warranty: 24 months UPC: SG544198 Authencity guaranteed.