Sirius 1 Plus XL
SKU: JF-S1PXL · MPN: JF-S1PXL
The Sirius 1 Plus XL is Naturnest's largest fold-out RTT, purpose-built for families and couples who want maximum interior space. Its king-size equivalent sleeping area comfortably sleeps 3–4 adults. It ships with a complete power suite including an Anderson connector, USB port, AC port, and heater port — plus dual skylights, dual LED strips, and integrated roof bars. ABS shell opens in 15–30 seconds with gas spring assist.
Key features
Dealer
Free Shipping
Fast & free to the lower 48 states.
30-Day Returns
Hassle-free returns across the lower 48.
Questions?
Fitment, install & gear compatibility · U.S.-based team
M–F 9AM–9PM · Sat & Sun 11AM–9PM CST
The Sirius 1 Plus XL is Naturnest's largest fold-out RTT, purpose-built for families and couples who want maximum interior space. Its king-size equivalent sleeping area comfortably sleeps 3–4 adults. It ships with a complete power suite including an Anderson connector, USB port, AC port, and heater port — plus dual skylights, dual LED strips, and integrated roof bars. ABS shell opens in 15–30 seconds with gas spring assist.
Materials & construction
Tent style & capacity
Power & features
Weight & fitment
Dimensions
Closed
Open
Interior
Free shipping to the contiguous 48 states. Orders placed before 2PM CST ship same day. Typically deliver in 3–7 business days.
30-day hassle-free returns. Item must be unused and in original packaging. Contact us to initiate.
The Sirius 1 Plus XL is Naturnest's largest fold-out RTT, purpose-built for families and couples who want maximum interior space. Its king-size equivalent sleeping area comfortably sleeps 3–4 adults. It ships with a complete power suite including an Anderson connector, USB port, AC port, and heater port — plus dual skylights, dual LED strips, and integrated roof bars. ABS shell opens in 15–30 seconds with gas spring assist.
Materials & construction
Tent style & capacity
Power & features
Weight & fitment
Dimensions
Closed
Open
Interior
Free shipping to the contiguous 48 states. Orders typically ship within 1–3 business days. A tracking number will be emailed once your order ships. Freight deliveries may require a signature.
30-day hassle-free returns. Contact us within 30 days of delivery. Item must be unused and in original packaging. Return shipping costs may apply for non-defective returns.
How it compares
| Sirius Series — Fold-Out | ||||||
 Sirius 1 Plus |
 Sirius 1 Plus XL |
 Sirius 2 ABS |
Sirius 2 Aluminum |
 Sirius 2 XL |
Sirius 2 XL Aluminum |
|
| Price | $1,549 | $1,799 | $1,999 | $1,999 | $2,199 | $2,699 |
| Style | Fold-out | Fold-out | Fold-out | Fold-out | Fold-out | Fold-out |
| Sleeps | 2–3 | 3–4 | 2–3 | 2–3 | 3–4 | 3–4 |
| Shell | ABS | ABS | ABS | Aluminum | ABS | Aluminum |
| Setup | <1 min | 15–30 s | 15–30 s | 15–30 s | 15–30 s | 15–30 s |
| Weight | 151 lbs | 151 lbs | 165 lbs | 181 lbs | ~215 lbs | ~215 lbs |
| Open L×W×H | 83×51×59 | 83×51×59 | 63×87×47 | 63×87×47 | 74.8×86.6×47.2 | 74.8×86.6×47.2 |
| Closed L×W | 62.6×48 | 63×49 | 63×49 | 63×49 | 74.8×49.21 | 74.8×49.21 |
| Closed H | 11 in | 11 in | 11 in | 11 in | 11.81 in | 11.81 in |
| AC port | — | ✓ | — | — | — | — |
| Anderson | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Heater port | — | ✓ | — | — | — | — |
| Skylight | ✓ | ✓ ×2 | ✓ | ✓ | ✓ | ✓ |
| Roof bars | ✓ 44 lb | ✓ 44 lb | — | — | — | — |
| Blackout | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Season | 4-season | 4-season | 4-season | 4-season | 4-season | 4-season |
| Orion Series — Pop-Up | ||||||
 Orion 1 Plus |
 Orion Pro |
|||||
| Price | $1,299 | $1,399 | ||||
| Style | Pop-up | Pop-up | ||||
| Sleeps | 2 | 2 | ||||
| Shell | ABS | ABS | ||||
| Setup | <1 min | <1 min | ||||
| Weight | 188 lbs | 177 lbs | ||||
| Open L×W×H | 86.81×55×38.2 | 87×53×51 | ||||
| Closed L×W | 86.8×55 | 87×53 | ||||
| Closed H | 13.2 in | 15 in | ||||
| AC port | ✓ | — | ||||
| Anderson | ✓ | ✓ | ||||
| Heater port | — | ✓ | ||||
| Skylight | — | — | ||||
| Roof bars | — | — | ||||
| Blackout | ✓ | ✓ | ||||
| Season | 4-season | 4-season | ||||
| Polaris Series — Clamshell | ||||||
 Polaris Plus |
 Polaris 2 |
 Polaris Lite |
||||
| Price | $1,299 | $1,499 | $1,799 | |||
| Style | Clamshell | Clamshell | Clamshell | |||
| Sleeps | 2 | 2 | 2 | |||
| Shell | Aluminum | Aluminum | PHC | |||
| Setup | 30 s | 30 s | 30 s | |||
| Weight | 165 lbs | 170 lbs | 120 lbs | |||
| Open L×W×H | 82.6×52×59 | 82.6×52×59 | 82.6×51×63 | |||
| Closed L×W | 82.6×52 | 82.6×52 | 82.6×52 | |||
| Closed H | 7 in | 7 in | 4.3 in | |||
| AC port | — | — | ✓ | |||
| Anderson | — | — | — | |||
| Heater port | ✓ | ✓ | — | |||
| Skylight | — | ✓ | — | |||
| Roof bars | ✓ 44 lb | ✓ 44 lb | ✓ (track) | |||
| Blackout | — | — | — | |||
| Season | 4-season | 4-season | 4-season | |||
