Anyone who has ever had to trek through frigid city wind tunnels in the dead of winter is probably familiar with the unsettling feeling (or lack thereof) that your ears may or may not still be attached. It's one of the many reasons why no ensemble is truly complete without a cute winter hat come this time of year. We know, we know, gloves and scarves are important too, but a cozy head topper is an undeniable chilly-weather staple. You'll want to look for one that's warm enough to keep your ears nice and toasty, comfy enough to be worn every day and adorable enough to earn a permanent spot in your winter wardrobe rotation—and we've found 17 that tick all the boxes.