Ionosphere 5 Sleep Mat (550g)
This ultralight and packable sleep mat is designed to reduce heat loss through radiation and convection, giving it an unbeatable warmth-to-weight ratio perfect for lightweight adventures in challenging environments.
Product Characteristics
What It's Best For
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The Specifics
- Main Fabric:20D Recycled Polyester outer fabric with internal TPU Coating and fluorocarbon free DWR
- Insulation:Stratus™ R 100% recycled polyester insulation 160gsm with TILT
- Weight:Reg: 550g. LongWide: 810g
- R-Value:4.8
- Packed Size:Regular 23cm x 11cm (9in x 4.3in) / Long Wide 28cm x 12cm (11in x 4.7in)
- Product Code:QMA-04
- Stratus™ R insulation traps air and reduces heat loss from convective currents
- TILT reflective film within the insulation helps reduce radiant heat loss
- R-Value: 4.8
- Thickness: 8cm
- Lightweight construction uses air and insulation for superb warmth-to-weight ratio and minimal pack-size
- Oversized outer chambers help keep you centralised on the mat
- Graduated grip print finish on upper fabric reduces sleeping bag slip
- Tapered mummy shape to save weight
- Low profile two-way valve for easy inflation and deflation
- Pump sack included for rapid and hygienic inflation
- Roll-away stuff sack with repair kit included
- Dimensions: Regular 183x51cm. Large 196x64cm
- Packed Size: Regular 23x11cm. Large 28x12cm
How to Inflate and Pack your Sleeping Mat
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R-Value: 4.8
Your sleep mat’s R-value is an indication of how well it will resist heat loss. A higher R-value means it will insulate you more effectively from the ground underneath, and will be better suited to cold environments.




R-Value: 4.8
Your sleep mat’s R-value is an indication of how well it will resist heat loss. A higher R-value means it will insulate you more effectively from the ground underneath, and will be better suited to cold environments.




Stratus™ R
Resilient synthetic insulation developed with 100% recycled post-consumer material. Designed to trap the maximum amount of air possible, Stratus™ R boasts superior warmth for its weight, retains warmth when wet, and dries quickly.




Stratus™ R
Resilient synthetic insulation developed with 100% recycled post-consumer material. Designed to trap the maximum amount of air possible, Stratus™ R boasts superior warmth for its weight, retains warmth when wet, and dries quickly.




What is TILT technology?
A radical, heat retaining tech that works like an emergency blanket reflecting heat back towards your body, while maintaining breathability and comfort. Boosting thermal efficiency, it keeps you warm when the temperature plummets.




What is TILT technology?
A radical, heat retaining tech that works like an emergency blanket reflecting heat back towards your body, while maintaining breathability and comfort. Boosting thermal efficiency, it keeps you warm when the temperature plummets.