Size 57 S/M Never worn. In perfect condition 100% Guatemalan Palm. Boater crown. Medium crown height. Stiff wide flat brim. Trimmed with an attached thin black 100% genuine leather band. Excellent sun protection. Dimensions - Crown: 9 cm. + Brim: 10.5 cm. Adjustable inner sweat band for added custom fit. Style fits true to size - palm straw can be a tiny bit tighter so if you're in between sizes, we suggest sizing up.