his ultralight and packable sleep pad 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 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 9in x 4.3in (23cm x 11cm) / Long Wide 11in x 4.7in (28cm x 12cm)
• 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