A macro photography shot of a translucent tortoise-shell sunglass temple arm, backlit by a warm light. The internal metal "Wire Core" with intricate engravings is clearly visible inside the plastic
Buying Guide

Acetate vs. Plastic Sunglasses: The "Wire Core" Test & Quality Guide

Acetate vs. Cheap Plastic: The "Wire Core" Secret to Quality Eyewear You pick up two pairs of sunglasses. They both look black. They both feel light.One costs $10 at a gas station. The other costs ...