Rab Ionosphere 5 Sleeping Mat

The Rab Ionosphere 5 Sleeping Mat is an ultralight, insulated air mat engineered to deliver exceptional warmth-to-weight performance in cold and demanding environments. Designed for fastpacking, thru-hiking, and multi-day mountaineering, it combines compact packability with reliable comfort when temperatures drop. A dual insulation system featuring heat-reflective TILT technology and Stratus™ R insulation reduces heat loss through both radiation and convection, maximising thermal efficiency without unnecessary bulk. The result is a highly compressible yet supportive mat that enables restorative sleep even when pack space and weight are limited.

Features: 
- The TILT reflective film inside the mat reduces radiant heat loss, boosting warmth for weight.
- Stratus™ R insulation traps air to prevent heat escaping through convection.
- Soft-touch, lightweight 20D fabric on the upper mat, with a 30D base for added durability on rough ground.
- Oversized outer chambers to keep you central on the mat.
- The tapered mummy shape is economical on weight and minimises pack size.
- Inflation and deflation are quick and easy thanks to the low-profile two-way valve and pump sack.

Technical Specifications: 
- Weight: 470g/16.6oz (Reg)
- Insulation: Stratus™ R insulation traps air and reduces heat loss
- R-Value: 4.8
- Thickness: 8cm
- Packed Size: 23x11cm
- Dimensions: 183x51cm