A sleeveless coat and a grey turtleneck are the kind of a no-brainer look that you need when you have no extra time. Black leather over the knee boots are a fail-safe footwear option here that's also full of character.
Grey Turtleneck with Sleeveless Coat Outfits
If the situation calls for a sophisticated yet kick-ass outfit, pair a sleeveless coat with a grey turtleneck. Complement this getup with black leather ankle boots for extra style points.