Therm-a-Rest MondoKing 3D Camp Mattress

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Combining self-inflating convenience with homestyle comfort, the Therm-a-Rest MondoKing 3D Camp Mattress offers 4 inches of comfort to make uneven ground, rocks and twigs vanish throughout the night.

  • Features

    • R-value equals 11.4; most sleeping pads we sell range in R-value from 1.0 (minimally insulated) to 9.5 (well insulated)
    • Foam core delivers all-season warmth to assure a great night's rest anytime
    • 4 in. vertical sidewalls create 20% more usable sleep surface so you have room to sleep like snow angels
    • Dual valves allow compressible foam core to expand and inflate quickly when unpacked; just a few breaths top it off to your ideal firmness
    • Stuff sack with easy-carry handle is also included

    Made in USA.

    View all Therm-a-Rest Self-inflating Pads
  • Technical Specs

    Best Use


    Sleeping Pad Type

    Self-inflating Pad

    Sleeping Pad Shape


    Insulation Type

    Open-cell Foam



    Stuff Sack Included


    Pad Thickness (in.)

    4 inches



  • Reviews
    24 reviews with an average rating of 4.8 out of 5 stars

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