There are 2 nautical expressions for joining a ship with nothing but what you stand up in. (usually after missing your ship in a port and it sailing off with all your stuff)Usually unpopular with shipmates as such guys were always "borrowing" kit.
sailing schooner rigged( that is the only sails it has are what you see)
and "He joined with 53 pieces of luggage, a pack of cards and a sweat rag"