The Rab Ascent 900 Sleeping Bag boasts super lofty down insulation that keeps things light combined with a roomy mummy shape. The result? A sleeping bag that thrives on alpine missions that allow you to dedicate a little room in your pack for comfort. Alpine sleeping bag designed to keep you comfortable up highRecycled Pertex face fabric handles wear and tear in the mountains0-degree rating thrives on ice-cold nights spent under the starsDWR coating helps prevent saturation from dew or light weather Lofty down insulation traps heat without weighing you down Wide mummy shape traps extra warm air and adds comfortResponsible CollectionRecycled/Repurposed, Responsibly SourcedMaterial30D recycled Pertex, DWR coating (fluorocarbon free)Insulation650-fill RDS, Nikwax hydrophobic downShapewide mummyZipper3/4-lengthMax User Height72.8inShoulder Circumference63inHip Circumference52.8inFoot Circumference42.5inBag Length84.6inDraft TubeyesPocketszippered stashPad RetainernoFill Weight900gDegree0FStuff SackdrawcordStuff Size17.7 x 9.5inClaimed Weight52ozActivitycampingManufacturer Warrantylifetime