A pet enclosure includes a cover and a collapsible support frame. The cover includes a bottom panel, a top panel opposite the bottom panel, and a plurality of side panels extending between the bottom panel and the top panel to define an interior space of the cover, wherein an aperture is defined in the cover for accessing the interior space. The collapsible support frame is configured for insertion into the interior space of the cover via the aperture, and the support frame includes a floor arrangement, a first truss hingedly connected to the floor arrangement, and a second truss hingedly connected to the floor arrangement opposite the first truss. The first truss and the second truss are movable relative to one another within the interior space of the cover between a collapsed configuration of the support frame and an uncollapsed configuration of the support frame.
