Is the MondoKing warm enough for cold nights?

Yes. It is insulated with a foam core and StrataCore construction, which Therm-a-Rest rates for cold-weather use. It is a self-inflating foam pad, not an air-only pad, so warmth comes from the foam itself.

How does it compare with the NeoAir pads?

The MondoKing is thicker and more bed-like but much heavier and bulkier. NeoAir pads are air-only, lighter and pack smaller, but they are noisier and less stable under movement.

Do I need a pump to inflate it?

No. The foam core self-inflates when the valve is opened, and you add a few breaths to reach your preferred firmness. A pump stuff sack is included for topping off.

Can two MondoKing pads be joined together?

Yes. The mateable design connects with compatible Therm-a-Rest mattresses to make a larger sleeping surface.

Is it good for side sleepers?

Yes. The 4 inches of loft and vertical sidewalls give enough cushioning for side sleepers and reduce the chance of bottoming out at the edges.

Where is the Therm-a-Rest Mondoking Sleeping Pad cheapest?

At eBay, for $195.00, 25% under what the other stores charge, as of our latest check.

Where can I buy the Therm-a-Rest Mondoking Sleeping Pad?

14 stores we checked sell it, including REI, eBay, Backcountry.com, Al's Sporting Goods, Cascade Designs.

Therm-a-Rest Mondoking Sleeping Pad

Best price now

$195.00at eBayChecked 1 h ago

25% under what the other stores charge

Compared across 14 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

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What reviewers say

Owners of Therm-a-Rest self-inflating pads generally praise the comfort and warmth of the thick foam construction and the convenience of the TwinLock valve. The recurring trade-off they mention is weight and packed size, which limits it to car camping and short carries.

What people mention

ComfortPraisedOwners describe the thick foam as plush and stable, with little edge roll-off.
WarmthPraisedThe insulated foam core is reported to keep sleepers warm on cold ground.
WeightCriticisedReviewers say it is heavy for backpacking and better suited to car camping.
Packed sizeCriticisedIt takes up a lot of room in a pack or vehicle compared with air pads.
ValvePraisedThe TwinLock valve is called quick and easy for inflating and packing down.
FirmnessMixedSome sleepers find the foam firmer than expected and top it off with extra air.

About the Therm-a-Rest Mondoking Sleeping Pad

The Therm-a-Rest Mondoking is an insulated, self-inflating sleeping pad with a rectangular shape. Its 4-inch stabilized loft is meant to give full-body support across uneven ground. Vertical sidewalls add usable sleep surface and reduce edge roll-off.

StrataCore construction balances warmth, support and compressibility. The foam core expands on its own when the valve is opened, and firmness can be adjusted through the valve. The TwinLock valve has separate pathways for inflation and deflation, which speeds up setup and pack-down.

The pad is mateable, so it can connect with compatible mattresses to widen the sleeping area.

Insulated

Yes

Shell material

Polyester

Shape

Rectangular

Thickness

4.25 in

Loft

4 in stabilized loft

Inflation