ONE SIZE - best fits for 55-57CM 21.6"-22.4" 6 7/8- 7 1/8, with an adjustable size tape built inside sweatband. The crown deep is 4.13"(10.5cm) and 1.97" (5cm) long soft brim keep the sun and snow out of eyes, great for parties, holiday cruise vacation or outdoor walking. 60% Wool, 40% Acrylic Hand Wash Only Cloche Hand wash with cool water, or spot clean