The Ether Light XR eases you to sleep with its 10cm of plush comfort. A long day on the trail deserves a great night’s rest with minimum effort. The Airstream pump integrated into the stuff sack and a high-airflow XPRESS valve make inflation and deflation quick and simple. Lean into the ThermalCore technology which increases insulation while keeping weight and volume low. So toss it in your pannier or backpack and head into the backcountry knowing that your sleep comfort is one less thing to worry about. Features Thermal Core insulation with a suspended TRM layer reflects warmth back to the sleeper effectively 3+ season capable, ASTM-tested R-Value 4.1 Lighter weight and significantly reduced packed size when compared to past models 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 a breeze Increased weld strength for greater durability Features: - ThermalCore insulation with a suspended TRM layer reflects warmth back to the sleeper effectively - Extended 3 season capable, ASTM-tested R-Value of 4.1 - Air sprung cell construction, 10cm | 3.9in thick for plush, stable comfort in any sleeping position - PillowLock System patches secure your Aeros Pillow for a slip-free sleep