The fabric is actually 100% polyamide, a material that has been around for more than half a century.

WSJ: Polyester Is Back in Style at Alexander Wang, Talbot Runhof, Akris

This includes a patented hinge concept that makes screws and soldering obsolete, and the company's own polyamide-based material, called Mylon, which makes frames lighter and more durable.

WSJ: Shop Talk: What a Spectacle | Mykita Glasses