Exosphere 3.5 Self Inflating Sleep Mat (665g)
This reliable, self-inflating sleep mat is built with an insulating X-Core™ foam filling to give you a comfortable night’s rest. Perfect for regular camping and overnight adventures.
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:X-Core™ Insulation (Polyurethane open cell foam)
- Weight:Reg: 665g. LongWide: 875g.
- R-Value:3.6
- Packed Size:Regular 26cm x 17cm (10.2in x 6.7in) / Long Wide 33cm x 18cm (13in x 7.1in)
- Product Code:QMA-02
- Self-inflating X-Core™ system is quick and easy to use
- X-Core™ Foam Technology with weight saving honeycomb construction boosts warmth, support and comfort
- R-Value: 3.6
- Thickness: 5cm
- Hybrid rectangular shape allows various comfortable sleeping positions
- Low profile two-way valve for easy inflation and deflation
- Roll-away stuff sack with repair kit included
- Dimensions: Regular 183x51cm. Long Wide 196x64cm




R-Value: 3.6
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: 3.6
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.




X-Core™ Foam Technology
The self-inflating X-Core™ foam system makes setting up camp straightforward. Supportive and comfortable, it has a honeycomb-like structure that saves weight while boosting warmth by trapping and stabilising air, to insulate you from cold ground.




X-Core™ Foam Technology
The self-inflating X-Core™ foam system makes setting up camp straightforward. Supportive and comfortable, it has a honeycomb-like structure that saves weight while boosting warmth by trapping and stabilising air, to insulate you from cold ground.