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 is the better tent overall, rated 3.5 to 3.4. The iKamper Skycamp 4.0 Duo leads on weight and warranty. The Naturnest Sirius 2 ABS wins on value. The Naturnest Sirius 2 ABS costs $2,251 less ($1,999 vs $4,250).
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
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 weight (119 lb for 34.6 sq ft of bed (3.4 lb per sq ft) vs 165.1 lb for 31.5 sq ft of bed (5.2 lb per sq ft)) and warranty (2-year warranty vs 1-year warranty).
- Choose the Naturnest Sirius 2 ABS for value ($63.41 per sq ft of bed ($1,999, 31.5 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 2 ABS |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 30% | 35 $122.94 per sq ft of bed ($4,250, 34.6 sq ft) | 83 $63.41 per sq ft of bed ($1,999, 31.5 sq ft) |
| Weight 20% | 73 119 lb for 34.6 sq ft of bed (3.4 lb per sq ft) | 22 165.1 lb for 31.5 sq ft of bed (5.2 lb per sq ft) |
| Weather 20% | 100 3,000 mm waterproof rating, 4 season | 100 3,000 mm waterproof rating, 4 season |
| Comfort 15% | 50 mattress and extras not published (neutral score used) | 32 2 in mattress, anti-condensation mat |
| Warranty 15% | 25 2-year warranty | 0 1-year warranty |
Specifications
| iKamper Skycamp 4.0 Duo | Naturnest Sirius 2 ABS | |
|---|---|---|
| Sleeping | ||
| Shell | Hard shell | Hard shell |
| Opens | Folds out | Folds out |
| Sleeps | 2 | 3 |
| Mattress | 60.2 x 82.6 in | 57.1 x 79.5 in |
| Bed area | 34.6 sq ft | 31.5 sq ft |
| Mattress thickness | - | 2 in |
| Anti-condensation mat | - | Yes |
| Bedding stays inside | Yes | - |
| Built-in lights | Yes | - |
| Weather | ||
| Fabric | BreathWeave 320 gsm poly-cotton blackout canvas (35% recycled poly, 65% cotton) | 310 GSM poly-cotton canvas |
| Waterproof rating | 3,000 mm | 3,000 mm |
| Season rating | 4 season | 4 season |
| Annex | Optional | - |
| On the vehicle | ||
| Weight | 119 lb | 165.1 lb |
| Closed size | 61 x 52.375 x 13.75 in | 63 x 49 x 11 in |
| Open size | - | 86.6 x 63 x 47 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 | - |