iKamper Skycamp 4.0 Duo
#9 in Hard shellFull review
For one or two people with a smaller SUV or mid size truck who want the quickest fold out hard shell setup and a warm, quiet tent. Budget extra for the mattress.
iKamper $4,250$4,250
The iKamper Skycamp 4.0 Duo and the Naturnest Sirius 1 Plus are evenly matched, rated 3.5 and 3.5. The iKamper Skycamp 4.0 Duo leads on weather, weight and warranty. The Naturnest Sirius 1 Plus wins on value. The Naturnest Sirius 1 Plus costs $2,751 less ($1,499 vs $4,250).
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
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 iKamper Skycamp 4.0 Duo for weather (3,000 mm waterproof rating, 4 season vs waterproof rating not published, 4 season), weight (119 lb for 34.6 sq ft of bed (3.4 lb per sq ft) vs 151.5 lb for 32.3 sq ft of bed (4.7 lb per sq ft)) and warranty (2-year warranty vs 1-year warranty).
- Choose the Naturnest Sirius 1 Plus for value ($46.41 per sq ft of bed ($1,499, 32.3 sq ft) vs $122.94 per sq ft of bed ($4,250, 34.6 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 | iKamper Skycamp 4.0 Duo | Naturnest Sirius 1 Plus |
|---|---|---|
| Overall rating | 3.5/5 | 3.5/5 |
| Value 30% | 35 $122.94 per sq ft of bed ($4,250, 34.6 sq ft) | 100 $46.41 per sq ft of bed ($1,499, 32.3 sq ft) |
| Weight 20% | 73 119 lb for 34.6 sq ft of bed (3.4 lb per sq ft) | 37 151.5 lb for 32.3 sq ft of bed (4.7 lb per sq ft) |
| Weather 20% | 100 3,000 mm waterproof rating, 4 season | 62 waterproof rating not published, 4 season |
| Comfort 15% | 50 mattress and extras not published (neutral score used) | 40 2 in mattress, anti-condensation mat, skylight |
| Warranty 15% | 25 2-year warranty | 0 1-year warranty |
Specifications
| iKamper Skycamp 4.0 Duo | Naturnest Sirius 1 Plus | |
|---|---|---|
| Sleeping | ||
| Shell | Hard shell | Hard shell |
| Opens | Folds out | Folds out |
| Sleeps | 2 | 3 |
| Mattress | 60.2 x 82.6 in | 59.1 x 78.7 in |
| Bed area | 34.6 sq ft | 32.3 sq ft |
| Mattress thickness | - | 2 in |
| Anti-condensation mat | - | Yes |
| Skylights | - | 1 |
| Bedding stays inside | Yes | - |
| Built-in lights | Yes | Yes |
| Weather | ||
| Fabric | BreathWeave 320 gsm poly-cotton blackout canvas (35% recycled poly, 65% cotton) | 420D Oxford outer, 310 g polyester inner |
| Waterproof rating | 3,000 mm | - |
| Season rating | 4 season | 4 season |
| Annex | Optional | Optional |
| On the vehicle | ||
| Weight | 119 lb | 151.5 lb |
| Closed size | 61 x 52.375 x 13.75 in | 63 x 48.8 x 11 in |
| Open size | - | 82.7 x 63 x 47.7 in |
| Closed height | 13.8 in | 11 in |
| Static load | 900 lb | - |
| Ladder | 88.5 in | - |
| Setup time (maker) | 1 min | 0.5 min |
| Warranty | 2 years | 1 year |
| Released | 2026-04 | - |