Rab Stratosphere 4 - Lightweight Insulated Sleeping Mat

🏔️ Description

The Rab Stratosphere 4 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 the body from uneven terrain.

⭐ The Mountain Group's opinion

The Stratosphere offers a comfortable base for overnight mountain stays. It is a balanced option when you prioritize comfort and insulation without moving up to an expedition model. Choose the width and length according to your sleeping style, as well as the volume it will occupy in your backpack.

📋 Technical specifications

• Code: QMA-05.
• R-value published by Rab: 3.8.
• Thickness: 8 cm.
• Construction: air and recycled Stratus™ R insulation.

🛠️ Functional details

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

🔍 Comparison within the range

• Stratosphere 5.5: R-value 5.5 for greater insulation.

✅ Before choosing

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