---
product_id: 654753822
title: "MondoKing 3D"
brand: "therm-a-rest"
price: "82318 kr"
currency: ISK
in_stock: true
category: "Therm A Rest"
url: https://www.desertcart.is/products/654753822-mondoking-3d
store_origin: IS
region: Iceland
---

# TwinLock dual-valve system 7.0 R-value extreme insulation 4.25-inch ultra-thick comfort MondoKing 3D

**Brand:** therm-a-rest
**Price:** 82318 kr
**Availability:** ✅ In Stock

## Summary

> 🛶 Elevate your outdoor sleep game — because roughing it shouldn’t mean roughing up your rest!

## Quick Answers

- **What is this?** MondoKing 3D by therm-a-rest
- **How much does it cost?** 82318 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/654753822-mondoking-3d)

## 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

- • **Conquer the Coldest Nights:** 7.0 R-value StrataCore insulation keeps you warm in extreme conditions without bulk.
- • **Sleep Like Royalty Under the Stars:** Experience unmatched 4.25-inch plush comfort with stretch knit fabric that cradles you all night.
- • **Maximized Sleep Surface with 3D Design:** Vertical sidewalls expand usable space so you never feel cramped, even on long trips.
- • **Set Up in Seconds, Pack Up in a Breeze:** TwinLock valve system with separate inflation and deflation valves makes camp setup effortless.
- • **Compact & Lightweight for the Modern Explorer:** Compresses to a sleek 26x10.3 inches and weighs just 4.4 lbs, fitting perfectly in your pack.

## Overview

The Therm-a-Rest MondoKing 3D is a premium self-inflating camping sleeping pad featuring a 4.25-inch thick comfort layer with stretch knit fabric, a high 7.0 R-value for superior thermal insulation, and a TwinLock valve system for quick inflation and deflation. Its innovative 3D vertical sidewall design maximizes usable sleeping surface, while StrataCore construction ensures compact packing and durability. Weighing just 4.4 pounds and supporting up to 1440 pounds, it’s designed for serious campers who demand comfort and convenience in extreme conditions.

## Description

desertcart.com: Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad, Large - 77 x 25 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
- Large size measures 77x25x4.25 inches, 26x10.3 inches rolled, and weighs 4.38 pounds; stuff sack/pump sack included; limited lifetime warranty; made in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CQRVLKHB |
| Additional Features | Anti-Deflate, Insulated, Portable |
| Best Sellers Rank | #31,094 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #71 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 | 4.1 4.1 out of 5 stars (79) |
| Fill Material | Urethane Foam |
| Global Trade Identification Number | 00040818140208 |
| Included Components | Pump Sack |
| Item Depth | 4.25 inches |
| Item Dimensions | 77 x 25 x 4.25 inches |
| Item Dimensions L x W x Thickness | 77"L x 25"W x 4.25"Th |
| Item Display Dimensions | 32 x 11 x 9 inches |
| Item Firmness Description | Adjustable |
| Item Thickness | 4.25 inches |
| Item Type Name | Camping Mattress |
| Item Weight | 4.4 pounds |
| Manufacturer | Cascade Designs Inc. |
| Manufacturer Part Number | 14020 |
| Manufacturer Warranty Description | Limited lifetime warranty. |
| Material Type | Polyester, Polyethylene (PE) |
| Mattress Comfort Layer Material | Comfort Foam |
| Model Name | MondoKing 3D, L - Marine Blue |
| Model Number | 14020 |
| Number of Items | 1 |
| Number of Layers | 3 |
| Number of Packs | 1 |
| Product Benefits | Ultra-comfort, easy inflation, thermal insulation, 3D construction, compressible, stable. |
| Product Care Instructions | Spot Clean |
| Shape | Rectangular |
| Size | Large - 77 x 25 Inches |
| Specific Uses For Product | Sleeping Pad |
| Target Audience | Adult |
| UPC | 040818140208 |
| 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:** 4.4 pounds
- **Material:** Polyester, Polyethylene (PE)
- **Product Dimensions:** 77"L x 25"W x 4.25"Th
- **Size:** Large - 77 x 25 Inches
- **Special Feature:** Anti-Deflate, Insulated, Portable
- **Specific Uses For Product:** Sleeping Pad
- **Target Audience:** Adult

## Images

![MondoKing 3D - 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.is/products/654753822-mondoking-3d](https://www.desertcart.is/products/654753822-mondoking-3d)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-09-13*