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 Rab Hydrophobic Down - 650 fill power filling performs in all conditions, even when wet RDS certified down (Responsible Down Standard) Pertex Fabric - lightweight breathable material features on the interior and exterior Wide mummy shape - provides added space and comfort Left-sided zip Zip together compliant - zips in to opposite sleeping bag to form a double YKK 5 coil main zip - sturdy and robust mechanism Anti-snag taping - ensures zip runs smoothly Internal YKK zipped stash pocket Spacious angled foot box Cotton stuff sack Comfort temperature: - 2°C Limit temperature: - 8.5°C Weight: 1290g