Story Sustainably built sunglasses inspired by history's greatest looks To ensure their shades truly last a lifetime, Walden turned to history’s most tried-and-true frames as the blueprints for their designs—no trends or fads, only the icons. The Timber Sunglasses pays homage to the round metal frames worn on film sets back in the day, and boast the kind of good looks you can pair with a Metallica t-shirt or a full suit and tie. Features Hyper-wearable sunglasses pair well with anything in your wardrobe Semiflat '2 base' sun lenses Acetate temple tips maximize comfort and fit Durable three barrel riveted hinges Frames made with recycled steel and bio-acetate Lenses made from plant-based materials Lenses are non-polarized, category 3 lenses (blocking 82% - 92% of light) 100% UVA/UVB protective Comes with a protective sleeve for safe keeping Recycled PET microfiber cloth with custom Walden artwork Materials Internal Frame: 100% recycled steel External Frame: 68% bio-based content (mix of FSC-certified wood pulp cellulose and plant-based plasticizer), 32% fossil carbon Lenses: 61% fossil carbon, 39% plant-based castor oil Hinges: Steel, up to 60% recycled Outer Packaging: 100% recycled PET Lens Cloth: 100% recycled PET Made in China Sizing Eye Width: 50 mm Bridge Width: 21 mm Temple Length: 145 mm About Walden Walden is all about stripping away unnecessary details in favor of simplicity. Their premium sunglasses are manufactured with sustainable materials and designed to be highly versatile, subtly elevating your style and your experience every time you step outside.