Rab Ionosphere 5 Sleep Mat (550g)

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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.

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.

The tapered mummy shape is economical on weight, keeping pack size to a minimum. Oversized outer chambers ensure you stay central on the mat as you sleep, and the soft-finish fabric features a graduated grip print to reduce sleeping bag slip during the night. Inflation and deflation are quick and easy thanks to the low-profile two-way valve and pump sack.

The Ionosphere 5 is built using 100% recycled insulation, recycled fabric and a fluorocarbon-free DWR, and offers a superb warmth-to-weight ratio which won’t hold you back.

  • 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
  • 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 28x12cmOversized outer chambers help keep you centralised on the mat

  • 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
Rab Ionosphere 5 Sleep Mat (550g)
Rab Ionosphere 5 Sleep Mat (550g)
Rab Ionosphere 5 Sleep Mat (550g)
Rab Ionosphere 5 Sleep Mat (550g)
Rab Ionosphere 5 Sleep Mat (550g)
Rab Ionosphere 5 Sleep Mat (550g)
Rab Ionosphere 5 Sleep Mat (550g)

Rab's gear has been specifically designed for the trail runner. Combining the latest, lightest fabrics with cutting-edge designs, they created ultra-lightweight clothing that doesn’t compromise on protection. 

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