Helios Prizm A semi flat top frame chassis, with a rounded eyewire section. This silhouette styling blends contemporary edges, combined with a more refined approach. The Helios looks good on, and fits most medium to large faces. We recommend adding our Cleaning Kit for sunglass maintenance. Features Master craftsmanship and design Designed and handmade in USA 100% wood frame construction 8-laminate aircraft plywood incorporated into frame, providing ultimate durability Laser etched Carl Zeiss UV Sunlens Satin-like finish Super lightweight design, much lighter than acetate Swiss machined, universal, spring hinge Carecard and microfiber bag included OPTICS -- Carl Zeiss All of our eyewear is meshed with high-end, optical grade Carl Zeiss lenses. From cameras to microscopes, and sunglasses, Zeiss is a pioneer trusted worldwide. SWISS SPRING HINGES Our wooden frames are assembled with Swiss-machined hinges, milled to perfection by a computer controlled system. We also incorporate a spring design, allowing for a universal, comfortable, and secure fit. UNIQUE No two Arc-Iris pairs are the exact same. Wood material provides a natural, and non repeatable medium. Your frames are the one and only pair, for you, forever. You May Also Like Arc Cleaning Kit $ 20.00 Hard Case