--- product_id: 654753822 title: "Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad" brand: "therm-a-rest" price: "$1127.49" currency: USD in_stock: true category: "Therm A Rest" url: https://www.desertcart.ec/products/654753822-therm-a-rest-mondoking-3d-self-inflating-camping-sleeping-pad store_origin: EC region: Ecuador --- # TwinLock dual-valve system 7.0 R-value extreme insulation 4.25-inch ultra-thick comfort Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad **Brand:** therm-a-rest **Price:** $1127.49 **Availability:** ✅ In Stock ## Summary > 🛌 Elevate your outdoor sleep game — because roughing it shouldn’t mean roughing up your rest! ## Quick Answers - **What is this?** Therm-a-Rest MondoKing 3D Self-Inflating Camping Sleeping Pad by therm-a-rest - **How much does it cost?** $1127.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/654753822-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 Light, Travel Far:** Compresses down to a compact 26x10.3 inches in a PFAS-free sack, perfect for the modern adventurer. - • **Conquer the Coldest Nights:** 7.0 R-value StrataCore insulation keeps you warm in extreme conditions without bulk. - • **Maximize Your Sleep Surface:** Innovative 3D vertical sidewalls expand usable space so you never feel cramped. - • **Sleep Like Royalty Under the Stars:** Experience unmatched 4.25-inch plush comfort with stretch knit fabric that cradles you all night. - • **Set Up in Seconds, Pack Up Even Faster:** TwinLock valve system with separate inflation and deflation valves makes camp transitions effortless. ## 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, advanced TwinLock dual-valve system for quick inflation/deflation, and a 7.0 R-value StrataCore insulation for extreme weather. Its 3D vertical sidewall design maximizes sleep surface, while compressibility to a compact size and a lightweight 4.4-pound build make it ideal for serious campers seeking luxury and performance in the wild. Backed by a limited lifetime warranty and made in the USA. ## 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 | #28,213 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #65 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 (82) | | 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 ![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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ec/products/654753822-therm-a-rest-mondoking-3d-self-inflating-camping-sleeping-pad](https://www.desertcart.ec/products/654753822-therm-a-rest-mondoking-3d-self-inflating-camping-sleeping-pad) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-10-01*