Theory Cargo Pant in Black. - size 2 (also in 4) Theory Cargo Pant in Black. - size 2 (also in 4) Self 1: 100% acetate Self 2: 100% cupro. Made in Vietnam. Dry clean only. Zip fly with button closure. 6-pocket styling with cargo style pockets. Lightweight satin fabric. 24 at the knee narrows to 22 at the leg opening. THEO-WP282. N0509214. Theory is a visionary concept for modern intelligent fashion forward people. Founded in New York and made by the finest of fabrics, this makes the working everyday person feel powerful, ready to face their day. Shop the latest in fashion from Theory