The newest version from Rab, the Ultrasphere 5 Sleeping Mat combines practicality and packability with comfort and warmth. The added TILT reflective film improves the heat-trapping abilities while reducing the weight of the mat. The pump sack offers an easy way to inflate the sleeping mat in addition to the low-profile two-way valve. 

With a R-Value of 5.5 and pack size of only 18 x 9 cm, this sleeping mat will ensure comfort and warmth throughout the night and is convenient to carry on backpacking trips and outdoor adventures.  With its advanced construction, insulation properties, and user-friendly design, it's an essential piece of gear for anyone seeking a comfortable and restful sleep experience during their outdoor experiences. 

Features:

• Tapered mummy shape to save weight
• 2 layers of TILT reflective film help reduce radiant heat loss without adding weight or bulk
  
• Offset weight-saving internal cut-outs to keep warm air static
  
• 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
• Comfortable Thickness
• Rapid Inflation Valve
  
• Compact and Lightweight
  

Materials:

• Soft, exceptionally lightweight 20D fabric.
• Two layers of heat-reflective TILT

Specifications:

• Shape: Tapered Mummy
  
• Weight: 345g/12.2oz (Reg)
  
• R-value: 5.5
  
• Packed size: 15cm x 9cm (5.9in x 3.5in)
  
• Dimensions: 183cm x 51cm x 8cm
• Thickness: 8cm
  
• Packed size: 18x9cm