Party all night but promise your granny you"d meet her for breakfast? Follow these easy steps: A) Request patio seating, and B) Pull on the Spy Dirk Sunglasses to hide your sunken, bloodshot eyes. Product FeaturesFrame: Grilamid (nylon)Hinge: metalLens: polycarbonateInterchangeable Lens: noPolarized: noFace Size: medium-largeFrame Measurements: Case Type: Nose Pads: noTemple Pads: noRecommended Use: UV protectionManufacturer Warranty: 1 year