Pendleton Woolen Mills Wool Men’s long sleeve button up Shirt 100% Virgin Wool size Large. Very nice shirt like new. Made in USA 100% authentic Pendleton is a classic and features in collections season on season. Made using 100% Pure virgin wool from Portland, Oregon, it is specially treated to be machine-washable. This shirt is timeless and can be passed down generation after generation. Single front pocket. See size chart last photo size Large.