Heimplanet The Cave

is the model that set the standard for inflatable tents. With its geodesic dome construction and Inflatable Diamond Grid (IDG), it offers an extremely stable structure with ten points of intersection - something normally only found in much heavier expedition tents. The structure is fully self-supporting and built to handle both heavy wind and rain. The symmetrical design distributes the load evenly throughout the tent, providing a reliable structure even in more exposed environments.

More about The Cave

Just like other Heimplanet tents, The Cave is set up in a single step. Thanks to the One Pump System, the entire structure is inflated via a valve in under a minute - a crucial advantage when the weather changes quickly or when you want to minimize exposure time. The Multi-chamber system means that the air beams are divided into separate sections. Should one section be damaged, the rest of the tent retains its stability, providing a clear redundancy advantage over traditional tent designs. Inside, The Cave offers a generous space for 2-3 people. The pentagonal design provides good volume and flexibility, while smart storage solutions and a ventilation system with several adjustable openings ensure good comfort even during longer stays. Material choices are consistent with Heimplanet's premium positioning: durable ripstop fabrics, high water column and a construction tested to withstand real-world conditions - not just paper specs. The Cairo Camo design breaks up the contours of the tent in the terrain and provides a more discreet visual expression, suitable for both outdoor and more tactical uses.

Specifications

Capacity: 2-3 people Season: 3-season tent Construction: Inflatable Diamond Grid (IDG) Self-supporting: Yes

Dimensions & weight

Weight: approx. 4.8 kg Pack dimensions: approx. 40 × 32 × 23 cm Total floor area: approx. 4.8 m² Inner tent area: approx. 3.7 m² Inner tent height: approx. 100 cm Total height: approx. 125 cm

Material of the tent

Outer tent: 40D Double Ripstop HT Polyester, PU coated Inner tent: 40D Nylon Ripstop DWR, breathable Floor: 70D Nylon DWR, PU coated Airframe: 140 HPE Dacron (HT Polyester) with TPU bladder

Water column

Outer tent: 3000 mm Floor: 5000 mm

Features

Inflation time: < 1 minute One Pump System (one valve for the whole structure) Multi-chamber safety system Geodesic structure with 10 crossing points Multiple vents (adjustable) Internal storage pockets + gear loft Color-coded assembly (first assembly) YKK zippers with aluminum pullers