If that weren't enough, silk fabrics have been replaced by luxuriously textured, nubby blends such as cashmere and wool.

WSJ: Against the Grain

And understand that even a single wearing (or probably a lot of try-ons with your new sweater) means your natural-fiber clothes (wool, silk, cotton, cashmere, fur including blends) are no longer sterile when it comes to insects.

WSJ: Ask Teri: How to Keep Moths From Eating Sweaters