I can check on the materials for you. I started out mentioning it but forgot to review everything. Most of it's all wool, but the 42R Polo windowpane sportcoat, for example, has some angora in it, IIRC. I'll try to add the cloth makeup for all the stuff, but if there's something specific you're interested in, let me know.
Ralph's Signature line was fully canvassed, I believe, but I'll doublecheck that coat in specific. Almost certain it's canvassed.