75 percent pure virgin wool/25 percent lambswool. Lining: 65 percent polyester/35 percent cotton. Imported of fabric woven in the USA by Pendleton Woolen Mills. Dry clean only.

Pendleton Woolen Mills' product description-
Worn alone or layered, this snap-closure men's wool shirt offers outstanding details in substantial 7.4-oz Oregon Tweed® woven in our Pacific Northwest mills. It features two snap-close chest pockets, two welt pockets, and contrast solid fabric lining the neck, collar and placket.