ATTENTION: Although, we have multiple cap sizes, we can only stock a few sizes. If your cap size is not in stock, we can order your size for you. Allow 2 to 3 months for delivery. Call 858.356.2290 for questions & help. Below is our lace front wig sizing chart If you are having a hard time determining your size? Try our wig kit program, which allows you to try on our fitting caps (aka wig without hair) in the comfort and privacy of your own home. Size Circumference Ear Crown Ear Front-to Back XXS 19.50" | 49.50 cm 11.75" | 29.85 cm 12.75" | 32.39 cm XS 20" | 50.80 cm 12" | 30.48 cm 13" | 30 cm S 20.50" | 52.07 cm 12.25" | 31.12 cm 13.25" | 33.66 cm M 21" | 53.34 cm 12.50" | 31.75 cm 13.50" | 34.29 cm L 21.50" | 54.61 cm 12.75" | 32.39 cm 13.88" | 34.24 cm 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