Rab Ionosphere 5 Inflatable Sleeping Mat R-value 4.8

Model: Regular
Sale price$329.99


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.

  • Easily carried with low weight: Regular 550g, Long: 810G
  • Packed Size: Regular 23 x 11cm and Long 28 x 12cm
  • Insualted and warm for year round use R-Value: 4.8
  • Great size options and thickness for greater comfort: Reg 183 x 51 x 8cm, Long 196 x 64 x 8cm 
  • Repair kit included 

For mountain expeditions where every gram matters, the Ionosphere 5 is ultralight and packable, yet loaded with the necessary tech to keep you warm in tough conditions. The TILT reflective film within the insulation reduces radiant heat loss, while the Stratus™ R insulation traps air to lessen heat loss through convection, ensuring you can recharge for tomorrow even when the temperature plunges.

Tech Specs

  • 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


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