The Jackeroo crushable hat is made from 100% Australian waterproof wool. This hat is made for the outdoors and will work great in rain and sun alike. If it happens to get squashed on your travels don't worry, it will pop back out to shape easily. 3'' brim. 4.5'' crown height. Crushable. UPF 50+. Waterproof. Organic cotton sweatband. Organic cotton inner pouch with care instructions. Handmade in China. Material: Wool, Organic Cotton.