Below is our headband wig sizing chart. Having a hard time finding your size? Try our wig kit program, which allows you to try on our fitting caps (wig without hair) in the comfort and privacy of your own home. Size Circumference Ear Crown Ear Front To Back XS/S 19.50" - 20.50" 11.75" - 12.25" 12.75" - 13.25" M/L 21" - 22" 12.50" -13" 13.50" - 14" Have questions, we're here for you.Reach out to our customer care team 7 days a week via email, social media or check out our FAQ