A storage system for sheeted objects such as clothes, including a storage unit (1), formed of a first component (2) and a second component (3), and a rail assembly (17) which includes a main rail (17a) and an extension portion in the form of at least one pivotally or telescopically connected rail element (17d). The element (17d) is adapted to be supported in an extended condition, externally of the first component, so as to increase the effective length of the rail assembly when the second component is in an open condition.