Extrathick 4inch lightweight air mattress provides a plush womensspecific sleeping surface for 3season 35 RValue backpacking camping and bike touring Singlelayer Air Sprung Cell construction mimics a spring mattress womens pad is cut narrower at the shoulders and wider around the hips and knees Multifunction valve for fast inflation in just a few breaths using integrated Airstream Pumpsack oneway deflation for quick packup and finetuning of air pressure Insulated pad features highloft fiberfill and reflective fabric to prevent heat loss and radiate heat back during sleep nonslip 30D40D nylon face fabric is durable and quiet Large size measures 72 x 25 x 4 inches packs to 475 x 11 inches weighs 13 pounds includes stuff sack field repair kit and PillowLock patches for securing a Sea to Summit pillow to mat