Outwell Sleepin Double 5.0 cm
Outwell Sleepin Double 5.0 cm Self-Inflating Mattress User Manual
Model: Sleepin Double 5.0 cm
Brand: Outwell
1. Product Overview
The Outwell Sleepin Double 5.0 cm self-inflating mattress is designed to provide comfortable rest for two people during outdoor adventures. Its durable construction and efficient inflation/deflation system make it an ideal choice for camping.

Image: The Outwell Sleepin Double 5.0 cm mattress, showcasing its full size and design.
Key Features:
- Dimensions: 183 x 120 x 5 cm (inflated), providing ample space for two.
- Material: Durable 190T 75D 100% polyester fabric for longevity and comfort.
- Self-Inflating: Designed for quick and easy setup.
- High-Flow Dual Valve: Optimizes air circulation for fast inflation and deflation.
- Portability: Includes a carry bag for efficient storage and transport (packed dimensions: 64 x 23 cm).
- Lightweight: Weighs only 3.6 kg.
- PFC Free: Environmentally friendly construction.
2. Setup Instructions
Follow these steps to properly set up your Sleepin Double mattress:
- Unpack: Remove the mattress from its carry bag and unroll it on a flat, clean surface where you intend to use it.
- Open Valve: Locate the high-flow dual valve. Push the valve to open it. The mattress will begin to self-inflate as air enters the foam core.
- Allow Self-Inflation: Give the mattress time to self-inflate. This may take several minutes depending on how long it has been stored compressed.
- Top Up (Optional): If the mattress does not reach your desired firmness, you can blow air into the valve to top it up.
- Close Valve: Once the desired firmness is achieved, push the valve to close it, ensuring no air escapes.

Image: Detail of the high-flow dual valve, crucial for inflation and deflation.

Image: Visual guide for operating the FHF (Flat High Flow) valve settings.
3. Operation
Once inflated, the Sleepin Double mattress is ready for use. Its 5 cm thickness provides effective insulation from cold ground and comfortable support.
- Sleeping: Position the mattress inside your tent or desired sleeping area.
- Adjusting Firmness: For a softer feel, slightly open the valve to release a small amount of air, then close it quickly. For a firmer feel, add more air by blowing into the valve.
4. Care and Maintenance
Proper care will extend the life of your mattress:
- Cleaning: Wipe the surface with a damp cloth and mild soap if necessary. Do not use harsh chemicals or abrasive cleaners. Ensure the mattress is completely dry before storing.
- Deflation: To deflate, push the valve to open. Begin rolling the mattress tightly from the end opposite the valve, pushing air out as you roll. Once rolled, push the valve to close it to prevent air re-entry.
- Storage: Store the mattress in its included carry bag in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid storing it compressed for extended periods if possible, as this can affect the foam's self-inflating properties over time.

Image: The Sleepin Double mattress compactly stored in its carry bag for easy transport.
5. Troubleshooting
Here are solutions to common issues you might encounter:
- Mattress not fully inflating: Ensure the valve is fully open. Allow more time for self-inflation, especially if the mattress has been stored compressed for a long time. You can manually blow air into the valve to assist.
- Mattress losing air: Check that the valve is securely closed. Inspect the mattress surface for any punctures or leaks. Small punctures can often be repaired with a patch kit (not included).
- Difficulty deflating: Ensure the valve is fully open. Roll the mattress slowly and tightly, starting from the end opposite the valve, to expel all air. You may need to unroll and re-roll it once or twice to remove all air.
6. Technical Specifications
| Specification | Detail |
|---|---|
| Model Name | Sleepin Double 5.0 cm |
| Product Dimensions (L x W x Th) | 183 x 120 x 5 cm (72.05"L x 47.24"W x 1.97"Th) |
| Packed Dimensions | 64 x 23 cm |
| Material | 190T 75D 100% Polyester |
| Weight | 3.6 kg (2.09 pounds) |
| Color | Black (Plain) |
| Included Components | Carry Bag |
| Item Firmness Description | Plush |
| Manufacturer | Outwell |
| ASIN | B0CV85ZYDQ |
| Item Model Number | 1 |
7. Warranty and Support
The Outwell Sleepin Double 5.0 cm mattress comes with a 2-year warranty, covering manufacturing defects.
For warranty claims, technical support, or any questions not covered in this manual, please contact Outwell customer service through their official website or the retailer from whom you purchased the product. Please have your proof of purchase and product model information ready.
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