ONE SIZE - best fits for 55-58CM 21.6"-22.8" 6 7/8- 7 1/4, with an adjustable drawstring built inside sweatband. FASHIONABLE & VERSATILE - looks cool on casual and formal occasions like 1920s / 1950s tea party, derby, church, wedding or theatre; but also keeps you warm and stylish in fall winter and spring. CRUSHABLE & PACKABLE - you can fold or roll-up it and tuck in away in suitcase or backpack, great for parties, outdoor walking, holiday vacation and the like. Also it can regain its shape easily. ELEGANT DRAPE DESIGN - dressier and more feminine look than most winter cloche buckets, would be a unique gift hat for ladies in Christmas and Thanksgiving. Washing Instruction - hand wash with cool water and mild detergent and then air dry; or spot clean.