Abstract: A mattress cover, comprising a top layer; a first side layer comprising a first air-impermeable portion, a first air-permeable portion, a first air-impermeable flap, and first affixing apparatus, wherein the first affixing apparatus is configured to reversibly affix the first air-impermeable flap over the first air-permeable portion; a second side layer comprising a second air-impermeable portion, a second air-permeable portion, a second air-impermeable flap, and second affixing apparatus, wherein the second affixing apparatus is configured to reversibly affix the second air-impermeable flap over the second air-permeable portion; a head layer; and a foot layer.