Mattress Rab Ionosphere 5 (Zest)

Sleep warm even on icy peaks: insulating mattresses for high-altitude expeditions

The Ionosphere 5 mattress, ideal for mountain expeditions, combines lightness and compactness with advanced technology to conserve heat. Weighing just 550g for the standard and 810g for the long wide, it's easy to carry while offering effective insulation thanks to Stratus™ R insulation and TILT reflective film.

Its tapered sarcophagus design and XXL outer compartments guarantee comfort and stability while sleeping. The non-slip top fabric prevents the sleeping bag from slipping, while the two-way valve makes inflation/deflation easy. Eco-friendly, it incorporates recycled materials and a fluorocarbon-free DWR finish.

Features

• Ultra-light, compact design ideal for mountain expeditions, weighing just 550g for the standard size.
• Stratus™ R insulation and TILT reflective film for optimized warmth, even in extreme conditions (R-Value: 4.8).
• Eco-friendly with recycled materials and a fluorocarbon-free DWR finish, offering duRability without compromising performance.

Technical data

• Weight: Standard 550g / Long Large 810g
• Insulation: Stratus™ R, recycled polyester with TILT
• Main fabric: 20D recycled polyester with fluorocarbon-free DWR
• Dimensions: Std. 183x51x8cm / Lg Lrg. 196x64x8cm
• R-value: 4.8 for optimum insulation
• Packaged size: Std. 23x11cm / Lg Lrg. 28x12cm
• Tapered sarcophagus shape for weight reduction
• XXL compartments and non-slip finish for night-time stability

Includes :

• Pump bag
• Roll-up storage bag
• Repair kit