George Marks / Stringer / Getty Images Dressing for success is always a good idea. Nowadays, that could mean wearing the same outfit to the office every day — a sort of "work uniform." It's a concept that's been adopted by plenty of successful people. Mark Zuckerberg, Barack Obama, and Steve Jobs have all put work uniforms to use. As the New York Times reports, assembling a standard "work uniform" allows you to streamline your routine and eliminates one more potentially stressful choice from your daily life. Experts say that making lots of small decisions like what to wear and what to eat throughout the day saps your mental energy for when you need to make more pressing decisions, a phenomenon called "decision fatigue." This mental fatigue makes people more likely act impulsively or do nothing at all when more important matters come up. Penny Geers, stylist and owner of Your Closet, Your Style, has some tips on assembling a work uniform of your own. Check out your closet before you go on a shopping spree "Take note of your favorite go-to pieces," she tells Business Insider.