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An evolution of the renowned Ether Light mats has arrived with the XR Pro. Staying true to their comfort, durability, the XR Pro boasts ThermalCore technology which increases insulation value while keeping weight and packed volume minimal. Air Sprung Cell construction provides 10cm of plush comfort wherever you sleep. Inflation and deflation are a breeze with the XPRESS valve and Airstream pump built into the stuff sack. With double the weld strength of previous models the XR Pro is perfect for alpine adventurers to winter campers. Outdoor winter sleep never felt this good.

• ThermalCore insulation consists of multiple TRM layers that are quiet yet thermally efficient
  
• Four-season capable, ASTM-tested R-Value 7.4
  
• Lighter weight and significantly reduced packed size
  
• Air Sprung Cell construction, 10cm thick for plush comfort in any sleeping position
  XPRESS valve and pumpsack integrated into stuff sack make inflation, adjustment and deflation simple
  
• Increased weld strength for greater durability

Technology

• Thermal Core Insulation: Thermal Core insulation uses a single or multiple layers of TRM material to reflect warmth back to the sleeper. The TRM layers reduce internal air movement, and the smaller die cuts, compared to prior models, reduce this further still. The result is a significant increase in both R-Value and in real-world insulation performance, while reducing weight and packed volume.
• ASTM F3340 R-VALUE TESTING: To ensure that you will be warm when you sleep (especially when the ground is colder), it is essential to know how well your sleeping mat resists heat loss into the ground. This resistance is known as an R-Value. A laboratory-tested R-Value is the only way to measure resistance to heat loss
• XPRESS Valve: Sea to Summit developed the XPRESS Valve to make inflation, deflation and adjustment of its air mats quicker and simpler than conventional air mats. The valve integrates a one-way inflate port, a rapid dump deflate port and a fine-tune button into a single, low-profile unit. The XPRESS valve fits the nozzle of the Airstream pump integrated into the stuff sack supplied with your Sea to Summit Air Sprung Cell sleeping mat.
• Integrated Airstream: The Airstream™ Pumpsack is Sea to Summit's big volume mattress pump which we've now integrated into the stuff sack of every Air Sprung Cell™ mat. The clever design opens at one end to stow the air mat and the other end unfolds to become the built-in pump. The Airstream™ Pumpsack can be inflated with a single breath and takes just two or three cycles to fill our mats. Not only is it faster than inflation by mouth, but there is minimal breath condensation entering the mat and it eliminates dizziness from blowing the mat up directly by mouth.
• Pillow Lock System: The Pillow Lock™ System comprises of self-adhesive hook-and-loop patches which are supplied with all Sea to Summit sleeping mats (as of Spring 2019). Attached to your sleeping mat, these patches secure your pillow and prevent it slipping – yet they will not snag on clothing or other lightweight fabrics.