Blue Depths


MondoKing 3D

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Therm-a-Rest - MondoKing 3D

Are you always on the lookout for something bigger and better? Your ship has arrived with the MondoKing 3D. Simply put, the MondoKing™ 3D is the biggest Therm-a-Rest® mattress ever. Vertical sidewalls create 20% more usable sleep surface so you have room to sleep like starfish. Dual valves allow compressible foam core to expand and inflate quickly when unpacked. A new and improved stuff sack with easy-carry handle is also included.

International Restrictions Apply

California WARNING: Can expose you to hexavalent chromium, which is known to the State of California to cause cancer.

Technical specifications & features

Weight LRG: 2430 g (4 lbs 11 oz.)
XXL: 2720 g (6 lbs)
Made in USA
Material 75D Diamond Polyester / 75D Polyester
Insulated Pad Yes
Insulation Self-inflating foam
R-Value 11.4
Pad Thickness 10 cm (4 in.)
Pad Width LRG: 63 cm (25 in.)
XXL: 76 cm (30 in.)
Length LRG: 196 cm (77 in.)
XXL: 203 cm (80 in.)
Bag Stuff Size LRG: 66 x 18 cm (25 x 7 in.)
XXL: 79 x 18 cm (31 x 7 in.)
Other Features • Provides 20% more usable sleep surface
• Foam core offers better stability and warmth than an air mattress twice as thick
• Self-inflating for ease of use; no pump required
• Mates perfectly with another 3D mattress
• Vertical sidewalls create Therm-a-Rest's thickest self-inflating mattress ever
Summer Clearance up to 50% off!

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