Premium Goose Down. Uncompromising Warmth.The Black Snow White Goose Down Mummy Sleeping Bag is built for campers and travelers who refuse to sacrifice warmth for weight. Filled with 95% white goose down at 800 fill power, this bag delivers exceptional thermal efficiency in a compact, compressible package. Choose from 5 fill weight options to match your exact temperature needs — from mild 3-season camping to serious winter expeditions.Key Features 95% White Goose Down Fill – Premium insulation with superior warmth-to-weight ratio 800 Fill Power – High loft for maximum thermal efficiency 5 Fill Weight Options – 850g to 2050g; comfort temps from +5~+15°C down to -15~-5°C 400T 20D Nylon Shell – Ultralight, durable, and wind-resistant outer fabric Mummy Cut Design – Contoured fit eliminates cold spots and dead air Splicing Capability – Zip two bags together for couples use Multiple Color Options – Black, Blue, Red, Orange, Green Generous Dimensions – 210 × 80 × 50 cm Specifications Specification Details Fill Material 95% White Goose Down Fill Power 800 Outer Shell 400T 20D Nylon Dimensions 210 × 80 × 50 cm Shape Mummy Splicing Yes (couple-compatible) Available Colors Black, Blue, Red, Orange, Green Fill Weight & Temperature Guide Fill Weight Comfort Temp Price Range 850g +5°C to +15°C From $169 1150g 0°C to +5°C From $213 1450g -5°C to 0°C From $229 1750g -10°C to -5°C From $309 2050g -15°C to -5°C Contact us Why Choose This Sleeping Bag?800 fill power goose down is the benchmark for premium sleeping bag insulation — it lofts higher, compresses smaller, and retains warmth longer than lower-grade fills. The 400T 20D nylon shell is featherlight without sacrificing durability. With five fill weight options, you’re not buying a bag that’s too warm for summer or too thin for winter — you’re buying exactly the bag you need.I For 3-season and winter camping Backpacking and ultralight travel Cold-weather expeditions Couples camping (splicing feature) International travel in variable climates In the Box 1 × Black Snow White Goose Down Mummy Sleeping Bag Compression storage bag