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Rab Orion Blue Exosphere 3.5 Self Inflating Sleeping Mat


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. If you’re looking for comfort, durability and ease of use, our self-inflating Exosphere 3.5 sleep mat is ideal. Its X-Core™ foam filling is supportive and insulating, ensuring you get a rejuvenating night ready for tomorrow’s adventures. This foam uses X-core technology which is a 3 dimensional weight relieved structure. This saves weight and reduces pack size, but also traps air to boost warmth and contributes towards the mats R-value of 3.4, while the rectangular shape supports a range of sleeping positions. The low-profile two-way valve allows for rapid inflation when the weather is threatening, and easy deflation when you’re ready to roll the mat away into its stuff sack.Made from recycled polyester with a fluorocarbon-free DWR, the Exosphere 3.5’s outer fabric is hardwearing yet with a comfortable next-to-skin feel. This versatile and dependable sleep mat is ideal for a variety of uses, and is the perfect place for you to recharge and make tomorrow count.


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.
  • 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
  • Dimentions: Regular 183x51cm. Large 196x64cm


  • RAB




    Rab is a United Kingdom mountaineering clothing and camping equipment manufacturer and supplier.


    The company was founded in Sheffield, South Yorkshire, by mountaineer Rab Carrington. Their story began in 1981 in the attic of a small, terraced house in Sheffield where Rab Carrington made the first sleeping bag to bear his name. Hand-stitched and devised with his own ingenious eye, Rab's experience from years spent in the mountains was apparent in his designs, and soon there was popular demand from Rab's friends and the growing local climbing community.


    But things didn't stop there. Word soon spread, and the Sheffield attic became a factory floor, creating sleeping bags and jackets for customers far and wide. Now, decades later, those honest, hard-wearing designs can be found all over the world; wherever adventurous individuals face up to the elements. From Himalayan peaks to cold, crisp evenings around a camp fire.



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