To stuff or not to stuff? No, we're not talking about bras—we mean the age-old dilemma of what to do with your hair when wearing a close-fitting hat. Keeping your locks out of your face and off your neck can be a challenge even in the summer, but cold weather adds a whole new level of difficulty. Thankfully warm caps with ponytail holes, including the Base Miles Beanie from Athleta ($29, athleta.com), keep your noggin warm and your hair under control. Now if only they'd invent one for the headrest on car seats, we'd be set.