K white that is so cute!
I have a few sock animal patterns myself. I have collected old patterns for years and this one I was thrilled to find.
I used to see them in the men's department all the time. But, I am thinking they were cotton, not wool. The tennis socks sometimes have the pastel toes on them. Maybe that is what they used to make the light colored ones. If they are popular again, the fabric stores, or craft stores will have them. They seem to have things that are in style pretty quick so they can get your dollar ....LoL!