Why we like it: Crafted from 100 percent lambswool, the Fjällräven Byron Hat Thin is a luxe option for cold-weather comfort.

Running in the winter without proper head protection can lead to heat loss and will make that run a lot less comfortable,” ...

She kept the cozy vibes going in a fleece hat by the brand Yeseyesee — not quite a beanie by definition, as the hat has earflaps and strings, but we'll go ahead and count it anyway. $30.00 ...

Why Trust Us? Not all hats and beanies are super fashionable or cute. However, when it comes to picking out the perfect beanie, you don’t have to sacrifice style for function, says Allison ...