Sea To Summit Ether Light XR Insulated ASC Mat

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. 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 Best Use: Winter Camping, Mountaineering, Cold Weather Backpacking Weight: 15.7oz | 445g Packed Size: 8.1 x 4.3 x 4.3in | 20.5 x 11 x 11cm ASTM Tested R-Value: 4.1 Best Use: Winter Camping, Mountaineering, Cold Weather Backpacking Weight: 16.6oz | 470g Packed Size: 8.1 x 4.3 x 4.3in | 20.5 x 11 x 11cm ASTM Tested R-Value: 4.1 Best Use: Winter Camping, Mountaineering, Cold Weather Backpacking Weight: 21.3oz | 605g Packed Size: 9.4 x 4.5 x 4.5in | 24 x 11.5 x 11.5cm ASTM Tested R-Value: 4.1 Best Use: Winter Camping, Mountaineering, Cold Weather Backpacking Weight: 21.3oz | 605g Packed Size: 9.4 x 4.7 x 4.7in | 24 x 12 x 12cm ASTM Tested R-Value: 4.1 Best Use: Winter Camping, Mountaineering, Cold Weather Backpacking Weight: 23.5oz | 665g Packed Size: 9.3 x 4.7 x 4.7in | 23.5 x 12 x 12cm ASTM Tested R-Value: 4.1