Ultralight air mattress provides a soft and comfortable sleeping surface for warm-season (1.1 R-Value) backpacking, adventure racing, bike touring, and fast and light pursuits Air Sprung Cell construction mimics a spring mattress, maintaining more body contact area and even dispersion of pressure for restful backcountry slumber Multi-function valve for fast inflation in just a few breaths (using integrated Airstream Pumpsack), one-way deflation for quick packup, and fine-tuning of air pressure Single-layer of cells for a 2-inch thick mattress of minimal packed size and weight; non-slip 30D/40D nylon face fabric is durable and quiet Regular size measures 72 x 21.5 x 2 inches, packs to 3 x 6.5 inches, weighs 0.89 pounds; includes stuff sack, field repair kit, and PillowLock patches for securing a Sea to Summit pillow to mat