The Amalfi is made of handwoven straw. The band is a thin strand of supple black-colored leather, wrapped several times and bound with a single knot. Hat Size Chart Side note: This hat runs slightly big. If you're in between sizes, would recommend sizing down. 55 57 59 61 63 Size S M L XL XXL Inches 21 1/2" 22 1/4" 23 23 7/8" 24 5/8" Fitted Size 6 7/8 7 1/4 7 1/2 7 5/8 7 7/8