What are Sunglasses Made Of?

Basically, sunglasses are made of two components: lenses and frames. Frames can be nothing more than thin metal wires that surround the lenses, or they can be large plastic casings, especially in sport sunglasses and oversized sunglasses. Most frames are flat so that they can be folded and put into a pocket. Many designer sunglasses come with soft pouches or cases for protection. Lenses come in almost every color of the spectrum. Polycarbonate lenses are especially valuable when working in hazardous environments or when made for sport sunglasses, as they are nearly indestructible.

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