Never put up with another flat mattress when you sleep outdoors. The Therm-a-Rest MondoKing gives you a comfortable and still compact solution, blending four inches of stabilized loft with a foam core and adding 20 percent more surface area. Get the same plush feel you have at home anywhere you go.
Made with 4 in. of stabilized foam for extra comfort
A urethane foam core ensures year-round warmth, so you always get a good night’s rest
Surrounded by 75D Reverse Diamond on top and 75D polyester on the bottom
Vertical sidewalls increase sleep surface by 20 percent
A self-inflating design features two valves, which inflate and expand the compressible foam core when unpacked