The key to looking thoughtfully pulled-together when wearing all black? First up, make sure your pieces aren't worn out. A faded black knit that's been through the wash one too many times will always look scruffy. Second, it's key to locate the kind of black pieces that have points of difference. The real factors that separate those boring black work trousers from a pair you'd wear to impress your girlfriends are fabric, cut and detailing.