The Naturnest Sirius 2 XL Aluminum roof top tent pairs a folding sleeping platform with a rigid aluminum cover. Naturnest lists this model for 3–4 campers, with a foam mattress, lighting and a ladder supplied. It is an option for travelers who want a larger rooftop sleeping area and are prepared to check their vehicle and rack before installation.
A folding platform for shared camping
The XL unfolds beyond its packed footprint, giving you more room at camp without transporting the tent at its full open size. Its aluminum shell and alloy frame form the supporting structure. Two windows and a skylight give you openings to adjust as conditions change, while the included mattress means a sleeping pad is not a separate purchase.
Opening assistance is not installation
Gas struts help raise the shell. Naturnest publishes a 15–30-second setup estimate, but mounting the tent on a rack is a separate job. The manual calls for at least two people during installation. Once at camp, follow the unfolding procedure and secure the ladder, which also supports the extended floor.
Light and small-item storage
The supplied pair of LED strips provides lighting after dark. USB and Anderson connections are part of the tent's electrical equipment; plan a suitable power connection rather than assuming it contains a battery. Two shoe bags provide a place for footwear near the entrance.
Published specifications for the XL aluminum model
Occupancy: Manufacturer-listed sleeping capacity of 3–4 people.
Tent weight: 215.1 lb / 97.56 kg.
Packed footprint and height: 74.8 × 49.21 × 11.81 inches.
Deployed measurements: 74.8 × 86.6 × 47.2 inches.
Construction: Aluminum outer shell with an alloy frame.
Sleeping surface: Supplied high-density foam mattress, approximately 2 inches thick.
Fabric: Naturnest's specification panel lists 420D Oxford fabric; its feature description also identifies a blackout layer.
Season classification: Listed by Naturnest as four-season; this is not a guarantee of safety or warmth in every weather condition.
The package includes the retractable ladder, mattress, mounting kit, two support poles, two shoe bags and two LED strips, along with the USB interface and Anderson connector. Review the manual's component checklist when unpacking.
Check your rack before ordering
Start with the 215.1 lb tent weight and the ratings supplied by your vehicle and rack manufacturers. The installation manual specifies two crossbars with a minimum separation of 30 inches and sufficient clearance for the mounting hardware. Confirm compatibility, driving-load capacity and parked-load capacity for your complete setup, including occupants and other gear. A vehicle shown in a product photo does not establish fitment for every version of that vehicle.
Questions to answer before your first trip
Does the 3–4-person rating guarantee enough space for my group?
No. That is Naturnest's occupancy listing, not a promise about individual comfort. Compare the deployed measurements with your group's sleeping needs and the gear you intend to bring inside.
Is the ladder only for climbing?
No. In this fold-out design it also helps carry the extended floor. Follow the ladder positioning and rung-lock checks in the manual before anyone enters the tent.
Can thick bedding stay inside when I close it?
The manual advises removing bulky blankets and pillows before packing. The supplied mattress and anti-condensation mat can remain in place. Do not force the shell shut around extra bedding.
What should I do after camping in damp conditions?
Dry the tent thoroughly before putting it into storage. Ventilate during use and inspect beneath the mattress for moisture. The manual explains ongoing drying and airing routines; the fabric and lining do not eliminate condensation.
Are lights and access equipment separate purchases?
The listed package already supplies two LED strips and the retractable ladder. Electrical connections are included too, but arrange the power source for your own installation.
Will it work with my factory roof bars?
Do not assume so. Some factory bars leave too little clearance for the fasteners. Check spacing, hardware clearance and load ratings with the relevant manufacturers, using the exact-model manual below.