Cheap glasses generally use acrylic or acetate material with a polarized film in between. “They use heat to form it into the spherical shape of a lens, and then they cut the lens,” Barton explains.

The ranks of polarized lenses go roughly like this: cheaper glasses use acrylic or acetate material with a polarized film in between, better glasses use glass with injection-molded polycarbonate ...

Block-cut acetate makes colors and patterns appear richer and more variegated than regular, injection-molded plastic, the most common material used for inexpensive sunglasses. Indeed, the Keyhole ...

Reformation X Jimmy Fairly is back for a second season and the sustainable sunglasses are better than ever. Here's what you ...

The frame of these sunglasses is made from a strong yet lightweight alloy metal and is reinforced with an acetate stem for ... scratch-resistant polycarbonate material. The lenses are also ...