RooftopTentCompare
Hardshell

Naturnest

Sirius 1 Plus

The Sirius 1 Plus is an ABS fold-out hard-shell tent that Naturnest rates for two adults plus a child. Its published open size is 210 x 160 x 120 cm, folding to 159 x 130 x 31.5 cm, with a weight of 75 kg (165 lbs). It includes a 4.5 cm double-layer mattress, interior and exterior LED strips, a USB/Anderson power interface and a roof-top luggage bar rated to 20 kg.

What stands out

  • Roof-top luggage bar rated to 20 kg for solar panels or gear
  • Includes USB/Anderson power interface and dual LED strips
  • Compatible with an optional annex room

What to weigh up

  • Manufacturer does not publish a numeric season rating
  • Mattress is relatively thin at 4.5 cm
  • At 75 kg it is heavier than Naturnest's Polaris Lite

Full specifications

Overview
TypeHardshell
Opening styleFold-out
Sleeps3
Season rating—
List price$1,549
Weight and size
Weight165 lb
Packed length5 ft 3 in
Packed width4 ft 3 in
Packed height12.4 in
Living space
Sleeping length6 ft 11 in
Sleeping width5 ft 3 in
Floor area36.2 sq ft
Interior height3 ft 11 in
Mattress thickness1.8 in
Setup and build
Setup timeManufacturer's claim where published; otherwise estimated from tent type. Expect longer in practice.~60 secest.
Shell materialABS hard shell with aluminium honeycomb base panel
Fabric420D waterproof Oxford outer; mildew-proof plaid Oxford inner
Warranty1year
Features
Integrated LED lightingYes
Heater / HVAC port—
Roof skylightYes
Annex availableYes
Solar readyYes
Carries cargo on topYes

Specifications last verified against Naturnest's own product page. Fields the manufacturer does not publish are shown as —, never estimated.

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