Comfort: -2 °C  Limit: -8 °C  Extreme: -27 °C  EN 13537 Rab Ascent range are duck down filled performance sleeping bags designed for regular use. The bags use durable and lightweight Pertex Microlight fabrics. These bags offer fantastic value for money, quality build and construction, durability and low weight for warmth of the bags. the bags are designed in a semi rectangular shape that is more user friendly for general purpose use or for those buying their first down bag. Rab Ascent 700 specifications: Pertex® Microlight inner and outer fabric 650FP European Duck Down Rab® fluorocarbon free Hydrophobic Down developed in conjunction with Nikwax® Wide mummy shape Proportionally assigned differential cut Internal YKK 3 coil zipped stash pocket Wide foot area for extended comfort ¾ length YKK 5 coil main zip Left and right hand zips available Left and right hand zips will zip together Anti snag zipper webbing tape Internal collar and hood drawcord Improved close fitting neck baffle desig