Ann Taylor black Chanel like woolen tweed blazer fits like an XS

Black woolen tweed blazer from Ann Taylor fits like an XS. The blazer has a silvery shimmer to it. Looks like a Chanel style blazer but at a great price point. Blazer has concealed buttons that can be worn closed or open. This blazer goes well with everything such as dresses or jeans. Size tag says size 6 but really fits like a size xs.