100% Wool 100% AUSTRALIAN WOOL: handmade in an environmentally friendly environment, super soft and warm, high quality, breathable and natural finishing.The colour of the hat is rosy beige, more fashion and elegant. BRIM: Flat and hard, 3.34 inches bound edge, vintage and simplicity??special and fashionable?? COTTON SWEATBAND: more comfortable and breathable for wear. ADJUSTABLE SWEATBAND: 7 1/4 fits for 58cm(22.8 inches) head circumference.The size of the hat is slightly large, thought the adjustable magic tape the hat can be appropriately reduced by 1 ~ 2cm , please confirm your head circumference before buying the hat. HAT FILLER:There are two hat fillers in the package, you can insert it in the hat to reduces the circumference by 1 cm.