<!--ProdInc[170061543]/Mall:[rei_US]--> Shell fabric is 38 g, 20-denier Atmos recycled ripstop nylon with a fluorocarbon-free durable water repellent (DWR) finish Lining is 41 g, 20-denier Atmos recycled ripstop nylon with a fluorocarbon-free DWR finish Upper is insulated with recycled Stratus synthetic sheet insulation in a triple-layer construction: 100 g/100 g/40 g polyester (100% recycled) Base is insulated with recycled Stratus synthetic sheet insulation in a dual-layer blanket construction: 40 g/40 g polyester (100% recycled) Internal upper scrim is 100% polyester and features TILT, an aluminum coating that reflects body warmth to reduce radiant heat loss Triple-layer concertina blanket construction on upper for improved loft and warmth Elasticized internal quilting helps to draw insulation toward your body and eliminate cold spots Reduced-volume hood offers better heat retentionImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Backpacking</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Tested Lower Limit</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>35 degrees (F) - ISO</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Tested Comfort</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-spe <a href=''https://www.rei.com/product/205861/rab-solar-ultra-1-sleeping-bag'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170061543&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>
<!--ProdInc[170061543]/Mall:[rei_US]--> Shell fabric is 38 g, 20-denier Atmos recycled ripstop nylon with a fluorocarbon-free durable water repellent (DWR) finish Lining is 41 g, 20-denier Atmos recycled ripstop nylon with a fluorocarbon-free DWR finish Upper is insulated with recycled Stratus synthetic sheet insulation in a triple-layer construction: 100 g/100 g/40 g polyester (100% recycled) Base is insulated with recycled Stratus synthetic sheet insulation in a dual-layer blanket construction: 40 g/40 g polyester (100% recycled) Internal upper scrim is 100% polyester and features TILT, an aluminum coating that reflects body warmth to reduce radiant heat loss Triple-layer concertina blanket construction on upper for improved loft and warmth Elasticized internal quilting helps to draw insulation toward your body and eliminate cold spots Reduced-volume hood offers better heat retentionImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Backpacking</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Tested Lower Limit</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>35 degrees (F) - ISO</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Tested Comfort</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-spe <a href=''https://www.rei.com/product/205861/rab-solar-ultra-1-sleeping-bag'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170061543&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>