Double-layer, 2.5-inch thick air mattress provides a durable, cushioned sleeping surface for 4-season (4 R-Value) backpacking, camping, winter camping, and bike touring
Air Sprung Cell construction mimics a spring mattress, for better stability and support; built-in redundancy means that if one layer punctures, the other side can still inflate
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
Insulated pad features high-loft fiberfill and reflective fabric, to prevent heat loss and radiate heat back during sleep; non-slip 30D/40D nylon face fabric is durable and quiet
Large size measures 79 x 25 x 2.5 inches, packs to 5 x 10 inches, weighs 2.7 pounds; includes stuff sack, field repair kit, and PillowLock patches for securing a Sea to Summit pillow to mat
