Naturehike Snow Petrel Mummy Down Sleeping Bag (2026) Socks This down sleeping bag is

This down sleeping bag is a professional outdoor sleeping bag and is suitable for use in high altitudes and cold areas due to its excellent thermal insulation function

Blackout Technology: The fabric used offers superior heat insulation compared to silver-coated fabrics and is lighter than ordinary blackout materials

perfect for casual or active wear

Powered by infrared radiation technology

Naturehike Snow Petrel Mummy Down Sleeping Bag (2026) Socks This down sleeping bag isPROFESSIONAL SLEEPING BAG This Naturehike mummy sleeping bag is filled with 400g duck down which is lightweight and soft, with a down content of 85% and a fill power of 650fp. The upper part of the sleeping bag has a C shaped wrap design that allows more down to wrap around the body and keep you warmer. This down sleeping bag is a professional outdoor sleeping bag and is suitable for use in high altitudes and cold areas due to its excellent thermal