If there’s a risk your hydration belt mouthpiece might freeze, chances are you could use a little extra warmth too. Call it what you want and use it however you like, as a neck warmer, headband, bandana, or something else entirely.

No fuss, just a super practical piece of clothing. Get two. Get three. The more, the better!

We call it the B_FF, because when it’s cold, it truly is your best friend forever. (And for a few other reasons, too.)