Product DetailsMaterial: Acrylic/polyester or viscose/polyester/nylon Dimensions/Size:Head Circumference (relaxed): 42cm Head Circumference (stretched): 62cm Crown height: 24cm (H) Crown at widest: 20cm (W) Fold band: 9cm (H) FeaturesTurned up brim Additional InformationCare instructions: Hand wash according to instructions on the care label