This U.S. industry comprises establishments primarily engaged in manufacturing men's and boys' jeans, dungarees, and other separate trousers and slacks (except work pants) from purchased fabric. Men's and boys' trouser, slack, and jean jobbers, who perform entrepreneurial functions involved in apparel manufacture, including buying raw materials, designing and preparing samples, arranging for apparel to be made from their materials, and marketing finished apparel, are included. Cross-References. Establishments primarily engaged in-- ? Manufacturing men's and boys' work pants from purchased fabric--are classified in U.S. Industry 315225, Men's and Boys' Cut and Sew Work Clothing Manufacturing; ? Manufacturing fur and leather apparel--are classified in U.S. Industry 315292, Fur and Leather Apparel Manufacturing; ? Manufacturing men's and boys' sweatpants and shorts from purchased fabric--are classified in U.S. Industry 315228, Men's and Boys' Cut and Sew Other Outerwear Manufacturing; and ? Cutting and/or sewing materials owned by others for men's and boys' separate trousers, slacks, and jeans--are classified in U.S. Industry 315211, Men's and Boys' Cut and Sew Apparel Contractors.