Anatomy Of The Hand Anatomy 60s Black Satin Mushroom Hat. Styled to sit low on the head with an interior wired placement cap for security. Brim cups over and extends low on the head, further out in the front and flat to the head in the back. Sides are tufted satin and the oval crown is solid fabric. On the front left side is 2 clear rhinestones that appear to be glued on. No label. Excellent condition but the velvet that covers the interior wire placement cap is a bit worn. Inner circumference is 21 inches but it will easily flex out to 23 inches. Measuring on the outside, side to side is 15 inches. Feel free to ask questions. Alley Cats Vintage is a Member of the Vintage Fashion Guild.