Sea to Summit Ether Light XR offers a luxurious sleeping experience with its 10 cm thick cushioning, ensuring a restful night after a long day of hiking. This sleeping pad is designed for easy use, featuring an Airstream pump integrated into the stuff sack and a high-airflow Xpress valve for quick inflation and deflation. The ThermalCore technology enhances insulation while maintaining a lightweight and compact form, making it an ideal choice for backpacking adventures. With its 3+ season capability and ASTM-tested R-Value of 4.1, this pad provides reliable warmth and comfort in various conditions. Provides 10 cm of plush comfort for a restful sleep Integrated Airstream pump and high-airflow Xpress valve for easy inflation and deflation ThermalCore technology enhances insulation while keeping weight and volume low 3+ season capable with an ASTM-tested R-Value of 4.1 Lightweight and compact design for easy transport Technical Features R-Value: 4.1