It is 34-35″ around the outside brim, the brim is 2″ long from the crown to the end, the crown is 4″ tall in the front and back and 5″ tall on the sides, it is 22-23″ around the inside opening, and 4″ deep, it is 12″ long, with the brim slightly rolled up, and 11″ from side to side, again with the sides slightly rolled up, this is lined in black satin lining as well.