Wool. No material tag, cannot guarantee is 100%, but does not have softer feel additional materials. Sold as is, may have stray lint, hairs, pilling, holes, stains. Base color gray and blue. Medium weight. If ordering more than one sweater, weight may go over five pounds and additional shipping costs to seller will be considered. Please note: This is a Non-smoking home WITH CATS. I will brush and inspect items but stray cat hairs may remain. Please do not purchase if you are highly allergic or wash before trying on!