A rucksack comprising: - a convertible frame for conversion into a support for a person comprising: - two main frame members connected together by a pair of extendable connectors; - at least two leg members (228, 230) connected or connectable to the main frame members; and - a flexible support attached or attachable to the main frame members to extend between the main frame members, the frame being convertible between a first configuration, in which the main frame members have a first distance between them and the first distance defines a width of the rucksack, and a second configuration, in which the main frame members have a second distance between them and in which the main frame members are supported in a raised position by the leg members (228, 230), and in the second configuration the main frame members suspend the flexible support for supporting the weight of a person when the main frame members are in the raised position, and wherein the second distance is larger than the first distance; - a bag attached to the convertible frame, the bag defining an internal volume for holding contents of the rucksack, and the bag comprising a rear cover; and - shoulder straps connected to the rear cover, characterised in that the bag has a base panel, a top panel, side wall panels, a rear wall panel and a front wall panel, said panels defining the internal volume, and at least a part of the convertible frame and at least a part of the flexible support are disposed between the rear wall panel of the bag and the rear cover, and side edges of the rear cover are securable to the bag to close the rear cover, such that the convertible frame is substantially fully covered by the rear cover. - a convertible frame for conversion into a support for a person comprising: - two main frame members connected together by a pair of extendable connectors; - at least two leg members (228, 230) connected or connectable to the main frame members; and - a flexible support attached or attachable to the main frame members to extend between the main frame members, the frame being convertible between a first configuration, in which the main frame members have a first distance between them and the first distance defines a width of the rucksack, and a second configuration, in which the main frame members have a second distance between them and in which the main frame members are supported in a raised position by the leg members (228, 230), and in the second configuration the main frame members suspend the flexible support for supporting the weight of a person when the main frame members are in the raised position, and wherein the second distance is larger than the first distance; - two main frame members connected together by a pair of extendable connectors; - at least two leg members (228, 230) connected or connectable to the main frame members; and - a flexible support attached or attachable to the main frame members to extend between the main frame members, the frame being convertible between a first configuration, in which the main frame members have a first distance between them and the first distance defines a width of the rucksack, and a second configuration, in which the main frame members have a second distance between them and in which the main frame members are supported in a raised position by the leg members (228, 230), and in the second configuration the main frame members suspend the flexible support for supporting the weight of a person when the main frame members are in the raised position, and wherein the second distance is larger than the first distance; - a bag attached to the convertible frame, the bag defining an internal volume for holding contents of the rucksack, and the bag comprising a rear cover; and - shoulder straps connected to the rear cover,