Serenia Sleep 8-Inch Memory Foam RV Mattress, Short Queen Price: $319.38 (as of 18/10/2017 12:25 PST- Details)

Includes short queen 60-inch by 75-inch and three-quarter size short full 48-inch by 75-inch in addition to standard twin, full, queen and king sizes
2-Inch of 2.5-pound, memory foam on a 6-inch base layer of polyurethane foam, within a zippered stretch knit cover for a medium firm comfort feel
Temperature sensitive memory foam is open-cell construction, disperses weight evenly and gives a cooler sleeping experience than closed-cell foam