CW(TM)1000 Down Ultralight Sleeping Bag 12degF / -11.1degC

Naturehike CW1000 Down Sleeping Bag, featuring a hybrid mummy-envelope design, RDS-certified 650FP duck down, and durable ripstop nylon with YKK zippers, the Naturehike CW1000 delivers extreme-weather insulation down to -41.7AdegC without sacrificing portability or comfort. Key Features: Warmer Hybrid Design - Mummy-style head and neck collar for warmth, envelope bottom for roomy comfort Premium Down Insulation - RDS-certified 650FP duck down with 1000 g fill, 85% down content. Cold-Weather Rating -Tested to withstand extreme lows of -41.7AdegC (-43.1AdegF) with a comfortable range down to -11.1AdegC (12AdegF), ensuring you stay warm and safe in the harshest alpine environments. Two Sizes Available - Medium: 210 x 75 cm, Large: 220 x 85 cm; weight 1.37-1.61 kg(3.02-3.55 lbs) Durable Construction - 20D 400T ripstop nylon with waterproof finish and YKK zippers for long-lasting use Practical & Versatile -Packs down compactly (M: 20x42 cm; L: 22x42 cm) and can be fully unzipped to use as a down blanket.