I grew up wearing ear warmers so I don't know why it took me so long to knit some of my own. These are all hand knit using handspun yarn, mostly extra bulky. The pattern is a simple single cable and is free on Ravelry. The ones I've made are all different widths based on the yarn I chose but they all fit perfectly.
Pattern: Winter Morning by Kalurah Hudson Nelson
Fiber Artist: Penny Nelson
Care Instructions: Hand wash in warm water; lay flat to dry.