Theory Cable Cardigan in Navy. - size M (also in L, S, XS) Theory Cable Cardigan in Navy. - size M (also in L, S, XS) 75% linen 25% viscose. Made in China. Dry clean only. THEO-WK285. O0313704. 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