
Product Description
The MondoKing 3D provides Therm-a-Rest's 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.
- Stable Comfort: 4 inches (10 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
- R-Value: 7
- Weight (Standard): 4 lb 6 oz
- Weight (Metric): 1.99 kg
- Width (Standard): 25 in
- Width (Metric): 64 cm
- Length (Standard): 77 in
- Length (Metric): 196 cm
- Height (Standard): 4.25 in
- Height (Metric): 11 cm
- Thickness (Standard): 4.25 in
- Thickness (Metric): 11 cm
- Packed dimension (Standard): 26 x 10.3 in
- 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
- Country of Origin: USA*Built of the Finest U.S. and Global Materials
Availability & Sizing
Product Details
Price History
Historical Data
Last 1 days of price history
| Date | Low Price | High Price | Average Price | Vendors |
|---|---|---|---|---|
| May 8, 2026 | $259.95 | $259.95 | $259.95 | 1 |
Price Statistics
Description
The MondoKing 3D provides Therm-a-Rest's 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. Stable Comfort: 4 inches (10 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 R-Value: 7 Weight (Standard): 4 lb 6 oz Weight (Metric): 1.99 kg Width (Standard): 25 in Width (Metric): 64 cm Length (Standard): 77 in Length (Metric): 196 cm Height (Standard): 4.25 in Height (Metric): 11 cm Thickness (Standard): 4.25 in Thickness (Metric): 11 cm Packed dimension (Standard): 26 x 10.3 in 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 Country of Origin: USA*Built of the Finest U.S. and Global Materials
Additional Info
Vendor Comparison (1 stores)
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| Vendor | Price | Stock | Last Updated | Action |
|---|---|---|---|---|
Sports Basement Best Price | $259.95 | Out of Stock | 5/8/2026 | View Product → |
Available Sizes & Variants (1)
| Variant | Size | Color | Price | Status | Stores | Buy |
|---|---|---|---|---|---|---|
Marine Blue / Large | Large | Marine Blue | $259.95 | In Stock | 1 store | Buy |





