Theory Demitria Flare Pant in Burgundy. - size 2 (also in ) Theory Demitria Flare Pant in Burgundy. - size 2 (also in ) 97% virgin wool 3% elastane. Dry clean only. Side hidden zipper closure. 14 at the knee breaks to 20 at the leg opening. THEO-WP181. G0801210. 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.