Costa Del Mar Grand Catalina mens Sunglasses with Black Frame and Green Mirror Glass Lenses

Frame Type: aviator Performance, Frame Material: Titanium Fused Grilamid (TFG), Lens Type: polarized glass and cr-39, Titanium fused with advanced nylon materials. The ultimate in performance, strength and comfort. Megol nose pads, wire core temples and revolutionary spring hinges completes this highly evolved frame system. ?Spring hinge?Available in all 6 WAVE 400? colors, CR-39? or Glass, and WAVE 580??Lifetime Warranty?RX Available