Description of Smith Method - Black/ Polarchromic Gray Method is a means to an end, and this Method creates the updated look of the wrap-style frame you are after. Optically corrected Carbonic™ lenses provide 100% UVA and UVB protection and a comfortable fit. The Smith Method is designed with a Grimalid TR90 frame that provides the gold standard platform for active sunglasses, while hydrophilic Megol on the nose and temple pads ensure a comfortable non-slip fit. As long as there are innovations to discover, Smith will be at it. Looking, tweaking, testing, experimenting, going back to the drawing board, and redefining flawless shades. Smith is obsessed with creating style, progressing interchangeable technology, and perfecting polarization. Lucky for you. The Smith Method Sunglasses match style with unsurpassed performance. Features: Medium Fit Tapered Lens Technology™ Grilamid™ TR90 Nylon Frame 8 base TLT™ Carbonic™ Lenses 100% UVA/B/C Protection 5 barrel metal hinge Polarized lens