ic! berlin Sunglass ztt003 57 21-140 IM-9

Key Features of ic! berlin Eyewear:
Screwless Technology: Instead of traditional screws that can loosen or break, they use a patented interlocking hinge system. This makes the glasses incredibly durable and flexible.

Material: Most frames are laser-cut from 0.5mm thick spring stainless steel, making them extremely lightweight and hypoallergenic.

Handmade in Berlin: As the image notes, they are manufactured in their own "Produktionshaus" in the heart of Berlin.

How to Identify the Specific Model
If you have the physical glasses, you can find the exact model name and measurements printed on the inside of the temples (the arms). It usually looks like a name (e.g., "The Pauly" or "Peter C.") followed by numbers indicating the lens width, bridge width, and temple length.