Weight:(Regular) 1050g/37.0oz, (Long) 1105g/39.0oz EN (13537:2012) Temperature rating:ISO EN: Comfort: -5°C (23°F), Limit: -12°C (10°F), Extreme: -32°C (-26°F) Rab Sleep Limit:Rab Sleep Limit: -9°C (15°F) Product Code:QSD-29 20D Pertex® Quantum nylon ripstop (36gsm) with fluorocarbon-free DWR Lining: 20D Recycled Nylon (38gsm) 650FP European Duck Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (600g / 21.1oz) Weight saving chevron baffle design on upper torso, reduces down migration and optimises core warmth. Trapezoidal boxwall construction with differential cut, to maximise loft and warmth YKK zipped internal stash pocket 3-dimensional shaped down filled neck collar to seal in warmth YKK 3/4 length main zip with down filled baffle to trap warmth YKK Anti-snag zip insert and anti snag internal zip guard Angled foot box for relaxed sleeping posture Zipped cotton sack with water-resistant base for home storage Drawcord stuffsack included Hand-filled in Derbyshire UK Outer: 100% polyamide. Lining: 100% recycled polyamide Tapered Mummy Shape Rab Alpine 600 Sleeping Bag (-9) | GWC