Naturnest Sirius 1 Plus
#10 in Hard shellFull review
For small families on a budget who want a fast opening hard shell with power and a skylight.
Amazon $1,499$1,499
The Naturnest Sirius 1 Plus and the Naturnest Sirius 1 Plus XL are evenly matched, rated 3.5 and 3.5. The Naturnest Sirius 1 Plus costs $370 less ($1,499 vs $1,869).
Naturnest Sirius 1 Plus XL
#11 in Hard shellFull review
For families of four who want a wide hard shell bed with climate control options for well under name brand prices.
Amazon $1,869$1,869
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.
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 1 Plus | Naturnest Sirius 1 Plus XL |
|---|---|---|
| Overall rating | 3.5/5 | 3.5/5 |
| Value 30% | 100 $46.41 per sq ft of bed ($1,499, 32.3 sq ft) | 100 $48.43 per sq ft of bed ($1,869, 38.6 sq ft) |
| Weight 20% | 37 151.5 lb for 32.3 sq ft of bed (4.7 lb per sq ft) | 42 174.2 lb for 38.6 sq ft of bed (4.5 lb per sq ft) |
| Weather 20% | 62 waterproof rating not published, 4 season | 62 waterproof rating not published, 4 season |
| Comfort 15% | 40 2 in mattress, anti-condensation mat, skylight | 32 2 in mattress, anti-condensation mat |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Naturnest Sirius 1 Plus | Naturnest Sirius 1 Plus XL | |
|---|---|---|
| Sleeping | ||
| Shell | Hard shell | Hard shell |
| Opens | Folds out | Folds out |
| Sleeps | 3 | 4 |
| Mattress | 59.1 x 78.7 in | 69.9 x 79.5 in |
| Bed area | 32.3 sq ft | 38.6 sq ft |
| Mattress thickness | 2 in | 2 in |
| Anti-condensation mat | Yes | Yes |
| Skylights | 1 | - |
| Built-in lights | Yes | - |
| Weather | ||
| Fabric | 420D Oxford outer, 310 g polyester inner | 420D flame retardant waterproof Oxford |
| Season rating | 4 season | 4 season |
| Annex | Optional | Optional |
| On the vehicle | ||
| Weight | 151.5 lb | 174.2 lb |
| Closed size | 63 x 48.8 x 11 in | 74.8 x 51.6 x 12.4 in |
| Open size | 82.7 x 63 x 47.7 in | 80.7 x 74.8 x 46.9 in |
| Closed height | 11 in | 12.4 in |
| Setup time (maker) | 0.5 min | - |
| Warranty | 1 year | 1 year |