Theory Belted Blazer in Brown. - size 2 (also in 4) Theory Belted Blazer in Brown. - size 2 (also in 4) Self: 52% poly 43% virgin wool 4% elastane 1% polyamideLining: 100% cupro. Dry clean only. Open front. Detachable waist belt with tonal buckle closure. Side flap pockets. Item not sold as a set. Imported. THEO-WO335. K0901108. 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.