Fleece ear muffs? Fleece earwarmers? Your ears need warmth but you don't want to look goofy. Here's the solution for guys who live in their baseball caps. The fleece ball cap ear warmers has a slot cut in it for the brim of your ball cap. Toasty on the ears, easy to pull off when temperatures climbs. Now you can wear your ball cap even in the dead of winter.