100% wool. Made in the Czech Republic. One size fits all. Approximate diameter: 11 1/2". Larger, floppier crown. Colors: black, brown, camel, charbrown, charcoal, cherry, crimson, eggplant, forest, fuchsia, grey, kelly, light blue, light navy, maroon, navy, olive, orange, pink, purple, royal, sunflower, tan, tomato, white.