PopStorm NYDEF Non-Polarized was built for living adventurously and going fullthrottle with style to spare. The aggressive, barrier-breaking bold design ismatched only by the incredible performance of the eye-catching lenses. Thetruly unique design dreamed up by Popticals Italian design team is guaranteedto turn heads, conquer mountains and help you take the world by storm.Details: Patented FL2 Micro-Rail System allows the sunglasses to compact downto a small size, keeping them safe from damage in their custom case, compacthard-shell case specifically engineered for PopStorm offering unmatchedportability and protection, easily slipped into a pocket or clipped to abackpack, NYDEF Nylon Lenses manufactured by Carl Zeiss Vision aresignificantly clearer and 18% lighter in weight than polycarbonate lenses foroptimal performance, Swiss Grilamid TR 90 frames provide long-lastingdurability, resistance to extreme temperatures and a comfortable lightweightfit, complete UV protection filters out 100% of harmful UVA and UVB rays,hydrophobic and oleophobic lens technology repels water, oil, sweat and dustfor distortion-free vision, scratch, impact, shatter resistant lenses keepyour eyes safe and vision free of distortion, wrap-around design provides agreat fit for outdoor activities and all-around protection, patented FL2Micro-Rail System features stainless steel linkages for durability andperformance, engineered in the USA, handcrafted in Italy. Material: Nylon,Swiss Grilamid TR 90, Stainless Steel. Popticals was founded with a spirit forinnovation and adventure. They build portable, premium sports sunglasses thatprovide high-performance eyewear when you need them and a convenient, safe wayto store them when you don't. With industry-leading lenses manufactured byCarl Zeiss Vision and Italian manufacturing, they hold their products to anextremely high standard of quality.