Rab Stratosphere 5.5 - Ultra Insulated Sleeping Mat

🏔️ Description

The Rab Stratosphere 5.5 is an inflatable sleeping mat with Stratus™ R synthetic insulation that combines support for sleeping and insulation from the ground. Its 8 cm thickness helps separate your body from uneven terrain.

⭐ Mountain Group's opinion

The Stratosphere offers a comfortable base for overnight stays in the mountains. The higher insulation of this version makes sense when you expect cold ground. Choose the width and length based on how you sleep, as well as the volume it will take up in your pack.

📋 Technical specifications

• Code: QMA-03.
• R-value published by Rab: 5.5.
• Thickness: 8 cm.
• Construction: air and recycled Stratus™ R insulation.

🛠️ Functional details

• Hybrid rectangular shape to allow for different sleeping positions.
• Low-profile two-way valve.
• Stuff sack and repair kit included.
• Pump sack included.
• Oversized outer chambers to help keep you centered.

🔍 Range comparison

• Stratosphere 4: R-value 3.8, if you need less insulation.

✅ Before choosing

The R-value expresses thermal resistance; it is not a minimum temperature for use. It should be assessed in conjunction with the sleeping bag, the terrain, and the route conditions.