|See clearer, farther than ever before Eagle Eyes� Endeavor� is modeled after the most classic metal frames in history. Eagle Eyes� Polarized TriLenium� lenses were developed from original NASA optic technology and have been recognized and certified by the prestigious Space Foundation for their UV and blue-light eye protection. In fact, these glasses offer so many benefits, they were recently awarded the NASA/Space Foundation Hall of Fame Award! The Endeavor is made from handmade gold stainless-steel frames with a touch of Grilamid� TR-90 jet-black temples for perfect fit and all-day comfort. The award-winning Eagle Eyes� lenses have a hint of rich silver mirror�plus scratch-guard, water-proof hydrophobic and smudge-proof oleophobic coatings. Eagle Eyes� Polarized TriLenium� lens technology gives you dual-action performance to produce unparalleled visual clarity, contrast and definition, while blocking 100% of harsh UVA, UVB radiation and blue light.