Lino e Lina Blue-gray linen bucket hat with adjustable string. - Color: Blue-gray (like denim) - Material: Linen - Style: Bucket hat - Adjustable string: Yes Thank you for looking. This is a hat from Lino e Lina. The brim is approximately 8.5 cm. The inner circumference is approximately 57 cm. It has an adjustable string. I have used it occasionally, except in winter, for several years. It's been about 10 years since I bought it, so the color has faded a bit. It has the softness of linen.