Rectangular frames with slightly curved edges and straight temples. Handmade in transparent taupe bio-acetate with green tinted recycled lenses. Features visible rivets, laser-engraved logo detailing at the lens corner, and metal SS link plates at the tips. 100% UVA/UVB protection Five barrel hinges Shiny silver metal rivets Classic fit Unisex Frame width: 5.4" / 136mm Frame material: 100% bio-acetate Lens material: 100% nylon (50% recycled) Includes branded case and cleaning cloth Made in Japan