The Aussie wool crusher is made from high quality soft 100% waterproof Australian wool. It has a great ''Man from Snowy River'' look, will repel the rain and can be crushed and still retain its shape. Easy for travel. Sun protective with UPF 50+ and organic cotton sweatband. Organic cotton inner pouch with care instructions. Crown height is 4.5''. Brim is 3'' wide. Material: Wool, Organic Cotton.