John Rich and Daniel McCormick founded Woolrich in 1830 when they built a woolen mill in Little Plum Run, Pennsylvania, to manufacture fabric for the wives of hunters, loggers, and trappers. Rich visited the lumber camps in Pennsylvania and sold wool, socks, coverlets, and yarn f ... Read More rom the back of his mule cart. Today, Woolrich sells outdoor clothing for men and women, much of it made with its traditional fabrics, including wool and cotton. Woolrich is known for its signature red-and-black plaid Railroad Vest, which was first introduced when the railroad was being built through Pennsylvania -- the vest is still a best-selling clothing item, popular among everyone from Brooklyn hipsters to Midwest farmers. Woolrich also carries outdoor furniture, bird feeders and planters, blankets (including the famous Hudson's Bay striped wool blankets), a full range of bedding, and clothing for boys and girls including flannel shirts, parkas, plaid jackets, and reversible down vests with zip-out jackets that reverse from plaid to solid fleece.