- Jul 28
- By jiahaofu
Transitioning to a hard shell roof top tent significantly elevates your camping experience, but selecting the right model requires matching the gear to your specific vehicle capabilities. The Naturnest Sirius 2 series was engineered to simplify this decision by offering four specialized platforms. Whether you prioritize a lightweight footprint for rapid weekend deployments, require expanded volume for family trips, or need a robust aluminum structure for demanding environments, this guide details the specifications to help you build a highly capable overland rig.
Hardware Specifications
| Feature | Sirius 2 ABS | Sirius 2 XL ABS | Sirius 2 Aluminum | Sirius 2 XL Aluminum |
|---|---|---|---|---|
| Intended Capacity | 2-3 People | 3-4 People | 2-3 People | 3-4 People |
| Weight | 165.13 lbs / 74.9 kg | 215.1 lbs / 97.56 kg | 181.6 lbs / 82.36 kg | 215.1 lbs / 97.56 kg |
| Shell Material | ABS outer shell + lightweight aluminum frame | ABS outer shell + aluminum-alloy frame | Aluminum outer shell + aluminum-alloy frame | Aluminum outer shell + aluminum-alloy frame |
| Open Size | 63*86.6*47 in | 74.8*86.6*47.2 in | 63*86.6*47.2 in | 74.8*86.6*47.2 in |
| Deployment Mechanism | Gas-Strut Assisted X-frame | Gas-Strut Assisted X-frame | Gas-Strut Assisted X-frame | Gas-Strut Assisted X-frame |
Compare the Sirius 2 Models
Best for Couples and Small Families
Sirius 2 ABS
Designed for efficiency, this model utilizes a streamlined ABS shell to keep weight down. It includes a thick foam mattress, an anti-condensation mat, and a panoramic skylight for optimal ventilation.
Maximum Volume
Sirius 2 XL ABS
Engineered for families and larger groups, the XL variant prioritizes interior volume. The structure is reinforced with an aluminum-alloy frame to support the expanded footprint while maintaining quick setup.
Rugged Construction
Sirius 2 Aluminum
Built for demanding overland routes, the aluminum outer shell offers robust protection against impacts. It features premium 310 GSM canvas, dependable YKK zippers, and an automotive-grade insulated headliner.
Rugged Family Capacity
Sirius 2 XL Aluminum
Combining the family-friendly 3-4 person capacity of the XL with the hardcore durability of the full aluminum shell. It offers an expansive 86.6-inch interior length and superior weather resistance.
The Sirius 2 series offers efficient deployment for varied environments.
Vehicle and Roof Rack Compatibility
Before installation, verify that your roof rack can handle the dynamic weight capacity (DWC) of the tent. Using the provided heavy-duty hardware, the tent mounts directly to standard crossbars. Due to the physical dimensions and weight, safe installation onto a vehicle requires at least two to three people.
How to Prevent Condensation in a Rooftop Tent
A closed tent traps the moisture exhaled by occupants during the night. The Aluminum models address this with an automotive-grade insulated headliner to improve climate control. To prevent water droplets from forming on the interior walls, you must establish a thermal draft. Leaving a top vent and a side window partially open, even in freezing conditions, is a highly effective method to manage airflow.
Rooftop Tent Cleaning and Storage Tips
The integrated gas-strut assisted X-frame simplifies the opening and closing procedures. To maintain the integrity of the canvas, clean it using only a soft brush and mild soapy water. Ensure the fabric is completely dry before fully securing the hard shell for long-term storage.
Aluminum shell tents and ABS tents each have their pros and cons. Read Next: Sirius 2 XL Aluminum vs. Sirius 2 XL ABS: Which Is Right for You?
Sirius 2 Rooftop Tent FAQs
Can a Naturnest Rooftop Tent Fit Any Car?
While Naturnest rooftop tents can be installed on approximately 95% of vehicles with the appropriate mounting platform (crossbar / rack), you must also consider your vehicle's roof load capacity. For smaller vehicles in particular, it is essential to compare your vehicle's dynamic roof load limit against the total weight of the tent model to ensure safe installation.
What Is the Difference Between Sirius 2 ABS and Aluminum?
The ABS models utilize a lightweight, streamlined shell ideal for standard weekend trips. The Aluminum models feature a heavy-duty aluminum outer shell that provides superior resistance to impacts and UV damage, plus an automotive-grade insulated headliner for enhanced temperature control.
Is the Sirius 2 XL ABS Suitable for Families?
Yes. The Sirius 2 XL ABS is engineered specifically for families and larger groups, offering a generously expanded interior that comfortably sleeps 3-4 people while maintaining a fast setup time.
How Long Does a Sirius 2 Rooftop Tent Take to Set Up?
First Installation: When mounting the Sirius 2 to your vehicle roof for the first time, we recommend two people as the tent itself is quite heavy.
Daily Setup: After installation, each setup takes only 15-30 seconds: simply unlock the two latches, push up the top shell, pull out the ladder, and unfold the secondary base. You can review the step-by-step visual instructions in our instruction manual.
Is an Aluminum Rooftop Tent Better Than ABS?
For demanding trails, the aluminum shell provides an edge. It resists impacts, UV damage, and harsh weather highly effectively compared to plastics or fiberglass, ensuring your shelter stays reliable year after year.
Can Sirius 2 Rooftop Tents Be Used in Bad Weather?
Yes. The Naturnest rooftop tents have undergone weather-resistance testing and are designed to withstand challenging environments and severe weather conditions.
Explore the Naturnest Sirius 2 Collection
Equip your vehicle for the next route with a rooftop tent that matches your sleeping needs, rack capacity, and travel style.
View the Collection
