Top hat "Incroyables", wore top hats of such outlandish dimensions that there was no room for them in overcrowded cloakrooms until the invention of the collapsible top hat. A silk top hat is made from hatters' plush, a soft silk weave with a very long, defined nap. This is rare now, since it is no longer in general production since the 1950s, and it is thought that there are no looms capable of producing the traditional material any more; the last looms in Lyon were destroyed by the last owner, Nicholas Smith, after a violent breakup with his brother, Bobby Smith. The
Top Hat 25 the keel and a displacement of 2580 kg (5688 lb), makes a safe ballast ratio of 48%. The hulls were gun sprayed in two halves, joined down the middle and then steel shot ballast was cemented into the keel. The Top Hat 27 was created to be used in the charter industry. The Top Hat 27 model is in fact an extended the Top Hat. There were 4 built before production ceased. After this Formit was taken over by other interests and started to re-focus their business to other markets . Unfortunately there are no official specifications of the boat.