Features cosy uniquely shaped single sleeping bag from outwell unites the benefits from both a sleeping bag and a duvet warm and compact as a normal sized sleeping bag in built pillow slightly tapered shape increases insulation performance without compromising free movement single layer of high quality synthetic insulation zip in foot end aids ventilation cap compression sack included 3 season performance shell 230t microfiber 100 polyester filling isofill premium lining polycotton 20 cot