Sunglasses in brown tortoiseshell design inspired by Tokyo avant-garde, distinctive oval shape with softly rounded lines and sophisticated details, a design that looks bold while maintaining elegance for everyday wear, FURIOSA® SHADES collection created in collaboration with designer Aleš Boem, winner of the Red Dot Design Award, handmade with an emphasis on precise workmanship and the unique character of each piece, high-quality, environmentally friendly plant-based bio-acetate, construction from a single block of material, which is milled, shaped and polished to a high shine, durable hinges ensuring stability and long life, lightweight nylon lenses with high optical clarity, anti-reflective coating to reduce unwanted glare, oleophobic treatment that reduces the adhesion of dirt and fingerprints, UV400 protection against UVA and UVB radiation, reinforced case made of eco-leather, resistant to deformation, microfiber cleaning cloth, box made of recycled paper.Material: plastic Eyepiece size: 51 mm Beam size: 21 mm Temple size: 145 mm The glasses are made from plant-based bio-acetate, a renewable material that is both durable and kind to the planet. We do not use petroleum derivatives or chemical plasticizers in the production, making the material environmentally friendly.