---
product_id: 661521010
title: "Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad"
brand: "therm-a-rest"
price: "4729 Lei"
currency: RON
in_stock: true
category: "Therm A Rest"
url: https://www.desertcart.ro/products/661521010-therm-a-rest-mondoking-3d-self-inflating-camping-sleeping-pad
store_origin: RO
region: Romania
---

# TwinLock dual valve system 7.0 R-value extreme insulation 4.25-inch plush thickness Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad

**Brand:** therm-a-rest
**Price:** 4729 Lei
**Availability:** ✅ In Stock

## Summary

> 🛶 Camp like a CEO: luxury comfort meets rugged adventure.

## Quick Answers

- **What is this?** Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad by therm-a-rest
- **How much does it cost?** 4729 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/661521010-therm-a-rest-mondoking-3d-self-inflating-camping-sleeping-pad)

## Best For

- therm-a-rest enthusiasts

## Why This Product

- Trusted therm-a-rest brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pack & Go Ready:** Compresses to a compact 31x10.3 inches with included PFAS-free sack—perfect for the modern adventurer.
- • **Effortless Setup:** TwinLock valves for lightning-fast inflation and deflation—camp in minutes, not hours.
- • **Year-Round Warmth:** 7.0 R-value StrataCore insulation keeps you cozy in the harshest conditions.
- • **Sleep Like Royalty:** Experience unmatched 4.25-inch cushioning that cradles you under the stars.
- • **Maximized Comfort Surface:** 3D vertical sidewalls expand your sleep area for full-body support and stability.

## Overview

The Therm-a-Rest MondoKing 3D is an XXL self-inflating camping mattress boasting a 4.25-inch thick comfort foam layer and a 7.0 R-value for superior insulation. Featuring innovative StrataCore construction and a TwinLock valve system, it offers quick setup, maximum stability, and compact portability. Designed for serious outdoor enthusiasts and car campers who demand premium rest, it supports up to 1440 pounds and comes with a limited lifetime warranty—all proudly made in the USA.

## Description

desertcart.com: Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad, XX-Large - 80 x 30 Inches : Sports & Outdoors

## Features

- Camp like royalty with the MondoKing 3D, an ultra-comfy 4.25-inch thick sleeping pad with a stretch knit fabric layer for resting better under the stars
- Utilizing two one-way valves, one for inflation and one for deflation, the TwinLock valve system makes setting up and breaking camp a breeze
- 7.0 R-value insulates in the most extreme conditions using StrataCore construction that utilizes a continuous layer of thermal foam nestled between alternating ridges of air and foam
- 3D construction creates vertical sidewalls to maximize useable sleep surface and comfort
- StrataCore construction allows the pad to easily compress and pack away to a compact 26x10.3 inches in included PFAS-free storage sack
- For best performance, inflate your self-inflating pad with air by breath or included pump sack and leave the mattress fully inflated for 2-4 hours before your first use
- XX-Large size measures 80x30x4.25 inches, 31x10.3 inches rolled, and weighs 5.5 pounds; stuff sack/pump sack included; limited lifetime warranty; made in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CQRVCFH8 |
| Additional Features | Anti-Deflate, Inflatable, Portable |
| Best Sellers Rank | #49,720 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #100 in Camping Air Mattresses |
| Brand Name | Therm-a-Rest |
| Capacity | 1440 pounds |
| Color | Marine Blue |
| Construction Type | Self-Inflating Foam |
| Cover Material | Polyester |
| Customer Reviews | 4.2 4.2 out of 5 stars (84) |
| Fill Material | Foam |
| Global Trade Identification Number | 00040818140215 |
| Included Components | Pump Sack |
| Item Dimensions | 80 x 30 x 4.25 inches |
| Item Dimensions L x W x Thickness | 80"L x 30"W x 4.25"Th |
| Item Display Dimensions | 33 x 7 x 7 inches |
| Item Firmness Description | Adjustable |
| Item Thickness | 4.25 inches |
| Item Type Name | Camping Mattress |
| Item Weight | 5.5 pounds |
| Manufacturer | Cascade Designs Inc. |
| Manufacturer Part Number | 14021 |
| Manufacturer Warranty Description | Limited lifetime warranty. |
| Material Type | Polyester, Polyethylene (PE) |
| Mattress Comfort Layer Material | Comfort Foam |
| Model Name | MondoKing 3D, XXL - Marine Blue |
| Model Number | 14021 |
| Number of Items | 1 |
| Number of Layers | 3 |
| Product Care Instructions | Spot Clean |
| Size | XX-Large - 80 x 30 Inches |
| Specific Uses For Product | Sleeping Pad |
| Target Audience | Adult |
| UPC | 040818140215 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
| Weight Capacity Maximum | 1440 pounds |

## Product Details

- **Brand:** Therm-a-Rest
- **Color:** Marine Blue
- **Included Components:** Pump Sack
- **Item Weight:** 5.5 pounds
- **Material:** Polyester, Polyethylene (PE)
- **Product Dimensions:** 80"L x 30"W x 4.25"Th
- **Size:** XX-Large - 80 x 30 Inches
- **Special Feature:** Anti-Deflate, Inflatable, Portable
- **Specific Uses For Product:** Sleeping Pad
- **Target Audience:** Adult

## Images

![Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad - Image 1](https://m.media-amazon.com/images/I/71+BNN310+L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad
- Therm-a-Rest NeoAir Micro Electric Air Pump for Sleeping Pads ,Black
- Therm-a-Rest Synergy Luxe Mattress Sheet

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**Shop now:** [https://www.desertcart.ro/products/661521010-therm-a-rest-mondoking-3d-self-inflating-camping-sleeping-pad](https://www.desertcart.ro/products/661521010-therm-a-rest-mondoking-3d-self-inflating-camping-sleeping-pad)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-10-13*