Mr. Song Millinery Mushroom Crown Small Brim Hat White Rhinestone Accent - Q10 Mushroom shape crown and small-medium brim. Hand tied loop bow with conditioned feathers and subtle rhinestone detail. Flexible all-season material that is crush and stain resistant. Approximate head size is 22 5/8 " and has an adjustable inner band for perfect fit. SCROLL OVER 2ND IMAGE OF SELECTED COLOR to view color sample.