Smartwool Merino Sport 250 Reversible BeanieThis warmer Merino/poly blend in the Merino Sport 250 Reversible Beanie helps fabric move moisture, dry quickly, and hold its shape during your highest-intensity activities. And as a bonus, the hat is reversible, meaning no matter what your kit looks like from one day to the next, this men's beanie will help keep you comfortable, dry, temperature-regulated, and-of course-looking good.