A very warm, 650FP duck down sleeping bag with a recycled, wind-resistant PertexA(R) Quantum outer. Designed with a comfortable wide shape, it&';s ideal for those buying their first down sleeping bag for use in cold, winter conditions. The Specifics:- Weight:(Reg) 1530g/54.0oz, (XL) 1610g/56.8oz Rab Sleep Limit:Rab Sleep Limit: -18AdegC (0AdegF) Product Code:QSD-39 30D Recycled PertexA(R) Quantum (50gsm) with fluorocarbon-free DWR Lining: 20D Recycled Nylon (38gsm) 650FP RDS Certified European Duck Down with Nikwax fluorocarbon-free Hydrophobic Finish Trapezoidal boxwall construction, to maximise loft and warmth 3-dimensional shaped 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 YKK zipped internal stash pocket Angled foot box for relaxed sleeping posture Left and right hand bags can zip together Drawcord stuffsack included Zipped cotton sack with water-resistant base for home storage Outer: 100% recycled polyamide. Lining: 100% recycled polyamide. Wide Mummy Shape - with proportionally designed differential cut