Thermarest MondoKing™ 3D Large Sleeping Mat



RRP £225.00


Sleep like camp royalty with Thermarest's thickest luxury mattress.The MondoKing 3D provides our highest level of comfort and support. Boasting 4.25 inches (11cm) of premium foam, the ultra-cozy pad combines a plush next-to-skin feel with an 7.0 R-value to keep you warm and comfy in any condition or season. StrataCore construction provides lofty three-dimensional shape, and compresses easily to save room in your trunk or closet. The extra-comfy self-inflating pad features the easy-to-use TwinLock valve, allowing the pad to inflate three times faster and deflate five times faster. Like all Therm-a-Rest pads, the MondoKing 3D is made in market to ensure quality and minimize environmental impact. The pad includes a go-anywhere stuff sack with a built-in pump sack.

Product Details:

  • Stable Comfort: 4.25 in (11 cm) of stabilized loft provides the comfort of home anywhere.
  • StrataCore Construction: Yielding an impressive warmth-to-weight ratio, StrataCore uses a continuous layer of thermal foam nestled between alternating ridges of air and foam.
  • Comfortable Fabric: Supple stretch knit fabric provides deluxe breathability and plush surface.
  • Giant Sleep Surface: Vertical sidewalls maximize useable sleep surface.
  • Incredibly Warm: Foam core delivers all-season warmth to assure a great night's rest anytime.
  • Easy to Pack: StrataCore construction allows the pad to easily compress and pack away.
  • Mateable: Mates perfectly with other 3D mattresses.
  • TwinLock Valve: Utilizing two one-way valves, one for inflation and one for deflation, the TwinLock valve system makes setting up and breaking camp a breeze.
  • Pump stuff sack included


  • Color Poseidon Blue
  • R-Value 7
  • Weight (Metric) 1.99 kg
  • Width (Metric) 64 cm
  • Length (Metric) 196 cm
  • Thickness (Metric) 11 cm
  • Packed dimension (Metric) 66 cm x 26 cm
  • Top fabric type 50D polyester knit
  • Bottom fabric type 75D polyester
  • Foam type Urethane Foam
  • What's Included Pump/Stuff sack
  • Material(s) Polyester, Polyurethane
SKU: QSG-66-SL-2-1-5 TAG: Sleeping Mat - Self Inflating

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