Material: 100% Cotton Head Circumference: 51cm (Size S) Length: 19cm Size ・XS: 48cm / 3,410 yen ・S: 51cm / 3,810 yen ・M: 54cm / 4,210 yen ・L: 56cm / 4,610 yen ・XL: 59cm / 5,010 yen ・Strap: +300 yen The model in the photo is wearing size M with a head circumference of 52cm. Choose a size that is 2-3cm larger than your head circumference for a good fit. ・If you would like a strap, please contact us before purchasing. (Important Notes for Purchase) Loose threads may appear, but they have been treated. Please do not pull them; instead, tuck them into the fabric. Each item is carefully handmade, so there may be slight variations. Thank you for your understanding. * We do not accept exchanges or returns after purchase.