Therm-a-Rest MondoKing 3D L L - 77 x 25 Inches
If you want the best possible sleeping comfort when camping, you can't go past the MondoKing 3D sleeping pad from Therm-A-Rest. In its latest edition, it is more comfortable than ever before, even though it has shed a lot of unnecessary weight compared to its predecessor. The StrataCore construction gives the mat a ribbed shape with alternating air and foam ribs, which are underlaid with thermal foam throughout. This saves the mat a whole 500 g without compromising on sleeping comfort. On the contrary, the new MondoKing is now 11 cm high, still has the soft stretch knitted fabric on the outside and, thanks to its 3D shape, retains its height evenly right up to its edges. Another change concerns the valve. The new MondoKing 3D now has two independent valves - one for quick inflation and one for quick deflation. The TwinLock valve works in harmony with the pump bag supplied so that you can get the mat to the desired firmness quicker and without the hassle of re-inflating. The deflation valve and the ribbed shape also make it easier for you to roll the mat up again and store it in its pack sack.
If you want the best possible sleeping comfort when camping, you can't go past the MondoKing 3D sleeping pad from Therm-A-Rest. In its latest edition, it is more comfortable than ever before, even though it has shed a lot of unnecessary weight compared to its predecessor. The StrataCore construction gives the mat a ribbed shape with alternating air and foam ribs, which are underlaid with thermal foam throughout. This saves the mat a whole 500 g without compromising on sleeping comfort. On the contrary, the new MondoKing is now 11 cm high, still has the soft stretch knitted fabric on the outside and, thanks to its 3D shape, retains its height evenly right up to its edges. Another change concerns the valve. The new MondoKing 3D now has two independent valves - one for quick inflation and one for quick deflation. The TwinLock valve works in harmony with the pump bag supplied so that you can get the mat to the desired firmness quicker and without the hassle of re-inflating. The deflation valve and the ribbed shape also make it easier for you to roll the mat up again and store it in its pack sack.
If you want the best possible sleeping comfort when camping, you can't go past the MondoKing 3D sleeping pad from Therm-A-Rest. In its latest edition, it is more comfortable than ever before, even though it has shed a lot of unnecessary weight compared to its predecessor. The StrataCore construction gives the mat a ribbed shape with alternating air and foam ribs, which are underlaid with thermal foam throughout. This saves the mat a whole 500 g without compromising on sleeping comfort. On the contrary, the new MondoKing is now 11 cm high, still has the soft stretch knitted fabric on the outside and, thanks to its 3D shape, retains its height evenly right up to its edges. Another change concerns the valve. The new MondoKing 3D now has two independent valves - one for quick inflation and one for quick deflation. The TwinLock valve works in harmony with the pump bag supplied so that you can get the mat to the desired firmness quicker and without the hassle of re-inflating. The deflation valve and the ribbed shape also make it easier for you to roll the mat up again and store it in its pack sack.
If you want the best possible sleeping comfort when camping, you can't go past the MondoKing 3D sleeping pad from Therm-A-Rest. In its latest edition, it is more comfortable than ever before, even though it has shed a lot of unnecessary weight compared to its predecessor. The StrataCore construction gives the mat a ribbed shape with alternating air and foam ribs, which are underlaid with thermal foam throughout. This saves the mat a whole 500 g without compromising on sleeping comfort. On the contrary, the new MondoKing is now 11 cm high, still has the soft stretch knitted fabric on the outside and, thanks to its 3D shape, retains its height evenly right up to its edges. Another change concerns the valve. The new MondoKing 3D now has two independent valves - one for quick inflation and one for quick deflation. The TwinLock valve works in harmony with the pump bag supplied so that you can get the mat to the desired firmness quicker and without the hassle of re-inflating. The deflation valve and the ribbed shape also make it easier for you to roll the mat up again and store it in its pack sack.
in 5 offers
The lowest price for Therm-a-Rest MondoKing 3D L L - 77 x 25 Inches right now is $447.21 at Amazon.com.au, compared across 5 retailers.
The all-time low was $317.68 on 1 Sept 2026 — today's price is 41% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 2 Nov 2026.
Last updated at 02/11/2026 11:56:17
Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad, Large - 77 x 25 Inches
Free delivery
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Therm-A-Rest MondoKing 3D Mattress Large
Delivery between 5–9 Nov $31
Thermarest MondoKing Mat - Large
Delivery $19.99
THERM-A-REST MondoKing 3D L L / Marine Blue
Free delivery between 6–16 Nov
Thermarest Mondoking 3d XX Large Sleep Mat One Size Blue
Delivery between 8–11 Nov $29
| Variant | |
| size | L |
| color | Marine Blue |
Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad, Large - 77 x 25 Inches
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Therm-A-Rest MondoKing 3D Mattress Large
Delivery between 5–9 Nov $31
Thermarest MondoKing Mat - Large
Delivery $19.99
THERM-A-REST MondoKing 3D L L / Marine Blue
Free delivery between 6–16 Nov
Thermarest Mondoking 3d XX Large Sleep Mat One Size Blue
Delivery between 8–11 Nov $29
| Variant | |
| size | L |
| color | Marine Blue |
