The last thing you want to do when waking up on a cold December day is spend hours in front of your wardrobe trying to figure out an ensemble that's both practical and stylish. That's why outfit planning (i.e., prepping your head-to-look beforehand) is your best friend, especially come cold-weather season—it's efficient, plain and simple. It also happens to be exactly where we (and our favorite street stylers) come in, offering you major style inspiration you can look to for when you're in need of some ideas. Today, our lookbook guide focuses in on 15 simple winter outfits you can piece together in mere minutes, but they look anything but basic. Read on to see the looks and then shop our edit simple winter must-haves to invest in.