Kaenon Burnet FC Sunglasses:Frame Material: Lightweight, flexible TR-90 frame materialFrame Finish: Hand painted, matte or glossLens Base Curve: 8 base curveLens Tints: G12M,UBLU,UG12,UGRNHinge: Spring HingeLens Material: Kaenon SR-91® Polarized LensPolarized: YesFace Size: Medium to fullWeight: 37gGender: MensNose Pads: Hypoallergenic Recessed Variflex™ Nose PadsCase Type: Hard Navy Case with Micro-fiber BagRecommended Use: Casual, SportManufacturer Warranty: 1 year, Lifetime SR-91® Lens