Five days a week, we wake up with one all-consuming thought: what the heck do we wear today? Getting dressed for the office requires finesse — the ability to spend the day in tried-and-true staples without feeling bored by our signature style. But while mastering the ultimate work wardrobe may feel intimidating, it all boils down to 10 simple commandments. Sure, different professions have different requirements, but we find these fashion mandates work for almost any workplace. From new styles to give the green light, to looks that are total no-gos, stick to these rules and you’ll be dressed for success, wherever you find yourself from 9-to-5.