<!--ProdInc[170094626]/Mall:[rei_US]--> 3 in. thickness and an even, gridded weld pattern gives you a flat, mattresslike surface thick enough to keep you from touching the ground 2-layer reflective insulation (aluminum-coated PET film) gives you a warm night''s sleep without adding weight to the pad Dual custom valves make inflation and deflation quick and easy, and work seamlessly with the included pump sack Interior baffle design and weld shape reduce internal stresses, which improves pad durability and longevity Softly tapered shape provides maximum sleeping surface while fitting easily in trapezoidal tents Regular size tapers to approximately 14 in. wide at footbox; wide size tapers to approximately 17 in. wide at footbox This pad has an R-value of 4.9, which makes it best for adventures in cold weather; it provides considerable insulation from ground temperature Also a good choice for those who just prefer a warm night''s sleep no matter what Most sleeping pads we sell range from 1.0 (good for warm weather) to 5.5+ (for use in extreme cold); the higher the R-value, the more insulated the pad Made with 30-denier ripstop polyester with TPU lamination; included pump sack is made of 30-denier ripstop nylon with a polyurethane coating Includes inflation pump sack, field repair kit and stuff sack R-value tested according to the ASTM F3340 standard REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon creditsImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' <a href=''https://www.rei.com/product/202288/rei-co-op-helix-insulated-air-sleeping-pad'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170094626&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>