I love a casual mono-chrome outfit for days where I can't think of any creative things to wear. It's crisp, clean, easy, and chic. The blazer and high-waisted trousers give this look and pant-suit like feel- and I'm always down for androgyny.
Blazer: Anthropologie. Shirt: Unknown. Trousers: American Apparel. Shoes: Halogen. Bag: Anthropologie. Branch Bracelet: Madewell.