Theory Staple Blazer in Mint. - size 2 (also in ) Theory Staple Blazer in Mint. - size 2 (also in ) Self: 65% triacetate 35% polyLining: 100% poly. Do not wash. Front button closure. Front faux welt pockets with flap closure. Imported. THEO-WO324. I1109102. 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.