Abstract: A mattress interior is provided that includes an outer framework made of a self-supporting, resilient material, and an air compartment made of a flexible, substantially airtight material, having an internal cavity which can be inflated and deflated. The air compartment is secured within the outer framework by being connected to the outer framework, and/or elements of the outer framework being connected to each other. An air mattress is also provided that includes the mattress interior, and a cover. A method of manufacturing a mattress is additionally provided that includes constructing the outer framework, inflating one or more air compartments, assembling the mattress by securing the air compartments within the outer framework to make a mattress interior and fitting the mattress interior with a cover, deflating the one or more air compartments, and packing the mattress into a smaller volume.