Naturnest Sirius 2 ABS
#14 in Hard shellFull review
For families of three who want a hard shell that opens in seconds and unfolds to a long bed, at a mid range price.
Naturnest $1,999$1,999
The Naturnest Sirius 2 ABS and the Naturnest Polaris Plus are evenly matched, rated 3.4 and 3.4. The Naturnest Sirius 2 ABS leads on weight. The Naturnest Polaris Plus wins on value. The Naturnest Polaris Plus costs $600 less ($1,399 vs $1,999).
Naturnest Polaris Plus
#15 in Hard shellFull review
For couples who want an aluminum wedge hard shell that opens in seconds, at a budget price.
Amazon $1,399$1,399
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Naturnest Sirius 2 ABS for weight (165.1 lb for 31.5 sq ft of bed (5.2 lb per sq ft) vs 165.7 lb for 25.8 sq ft of bed (6.4 lb per sq ft)).
- Choose the Naturnest Polaris Plus for value ($54.23 per sq ft of bed ($1,399, 25.8 sq ft) vs $63.41 per sq ft of bed ($1,999, 31.5 sq ft)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every hard shell tent; a clear win is highlighted. How we rank explains each one.
| Factor weight | Naturnest Sirius 2 ABS | Naturnest Polaris Plus |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Value 30% | 83 $63.41 per sq ft of bed ($1,999, 31.5 sq ft) | 94 $54.23 per sq ft of bed ($1,399, 25.8 sq ft) |
| Weight 20% | 22 165.1 lb for 31.5 sq ft of bed (5.2 lb per sq ft) | 0 165.7 lb for 25.8 sq ft of bed (6.4 lb per sq ft) |
| Weather 20% | 100 3,000 mm waterproof rating, 4 season | 100 5,000 mm waterproof rating, 4 season |
| Comfort 15% | 32 2 in mattress, anti-condensation mat | 32 2 in mattress, anti-condensation mat |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Naturnest Sirius 2 ABS | Naturnest Polaris Plus | |
|---|---|---|
| Sleeping | ||
| Shell | Hard shell | Hard shell |
| Opens | Folds out | Clamshell |
| Sleeps | 3 | 2 |
| Mattress | 57.1 x 79.5 in | 47.2 x 78.7 in |
| Bed area | 31.5 sq ft | 25.8 sq ft |
| Mattress thickness | 2 in | 2 in |
| Anti-condensation mat | Yes | Yes |
| Built-in lights | - | Yes |
| Weather | ||
| Fabric | 310 GSM poly-cotton canvas | 420D Oxford outer, 310 g polyester inner |
| Waterproof rating | 3,000 mm | 5,000 mm |
| Season rating | 4 season | 4 season |
| On the vehicle | ||
| Weight | 165.1 lb | 165.7 lb |
| Closed size | 63 x 49 x 11 in | 82.7 x 51.2 x 7.1 in |
| Open size | 86.6 x 63 x 47 in | 82.7 x 51.2 x 59.1 in |
| Closed height | 11 in | 7.1 in |
| Ladder | - | 90.6 in |
| Setup time (maker) | 0.5 min | 1 min |
| Warranty | 1 year | 1 year |