L'AGENCE The Chamberlain Blazer in Black. - size 8 (also in ) L'AGENCE The Chamberlain Blazer in Black. - size 8 (also in ) Self: 73% poly 20% viscose 7% elastaneLining: 100% poly. Dry clean only. Front button closure. Padded shoulders. Side flap pockets. LAGR-WO11. 1377 PMB. Launched in 2008 by designer Margaret Maldonado, L'AGENCE operates off of a simple concept: washed silks, Japanese and Italian fabrics. Over the years, Maldonado has designed dresses, tops, bottoms and knits from the finest fabrics with the most modern and appealing cuts.