Lightweight, duck down insulated and comfortable, the Rab Ascent 700 boasts a toasty 650 fill power, wrapped in robust Pertex fabric. The wider shape, spacious foot box, and soft fabric offer a luxurious feel, whilst the sturdy 5 coil YKK zip with anti-snag bonding ensures smooth and easy usage. This is a high-performance bag with enough space and insulation to keep you comfortable across all 3 seasons.3-season, down insulated sleeping bag from RabHydrophobic Down - 650 fill power filling performs in all conditions, even when wetRDS certified down (Responsible Down Standard)Pertex Fabric - lightweight breathable material features on the interior and exteriorWide mummy shape - provides added space and comfortLeft-sided zipZip together compliant - zips in to opposite sleeping bag to form a doubleYKK 5 coil main zip - sturdy and robust mechanismAnti-snag taping - ensures zip runs smoothlyInternal YKK zipped stash pocketSpacious angled foot boxCotton stuff sackComfort temperature: - 2°CLimit temperature: - 8.5°CWeight: 1290g