This compact, lightweight pad is suitable for three-season use. Inside the air chambers, Thermolite insulation fibers prevent air movement, while beneath the surface fabric theres a layer of Exkin Platinum material that reflects body heat back to the user. The manufacturers Air Sprung Cell air chamber construction might be the most comfortable weve tested. It offers a pleasantly cushioned feel, without creating the sensation that you might roll off. This pad is a great choice for weekend trips, hikes, bikepacking, paddling adventuresany activity where comfort and low weight are equally important. - 30 and 40 denier outer fabrics are slightly more durable than those used in the lightest pads - PillowLock feature keeps a Sea to Summit camping pillow (not included) in place - Xpress valve makes inflating and deflating easy - Comes with a stuff sack that doubles as a pump, plus a repair kit Its best to always inflate the pad using the included pump sack, as blowing by mout