Polaroid PLD D563These men's glasses by Polaroid are a deliberate and responsible choice. Their design is a best seller, updated and made from bio based materials. The front has a square shape with softened corners and a keyhole bridge: practically a classic to invest in. The metal rivets elevate its style, as does the chiselled metal insert on the temples near the hinge. They come in neutral tones or with transparencies for a fresh touch.