The aerolite 1000 mummy sleeping bag from blacks provides cosy warmth thanks to a double layer hollow fibre fill equipping it well for cold weather camping the mummy design traps warmth and manages airflow efficiently for maximum insulationactivitybackpackingbaffleoffset horizontal stitchingcolour swatchgreencomfort rating c3dofe recommendedyesfill typesyntheticfoot box shapeshapedgenderunisexhood typeshapedinsulation typehollow fibreinterior length215cmpack dimensions19 x 32cms