When the mercury drops and the stakes are high, the 95% Goose Down Sleeping Bag is the insulation you can trust. Rated for temperatures from 0°C to -10°C and available in fill weights from 400g to 1200g, this ultralight bag gives you precise control over your warmth-to-weight ratio — whether you’re on a spring alpine trek or a deep-winter expedition. The 95% premium goose down fill delivers exceptional loft and heat retention, while the terylene outer shell provides a soft, durable surface that resists wear across seasons. At 210 × 80 cm and suitable for adults up to 2 m tall, it’s a bag built for serious adventurers who won’t compromise on performance. Specifications Specification Detail Model ycb017 Style Splicing Double (Envelope) Filling 95% Goose Down Shell Fabric Terylene Temperature Rating 0°C to -10°C Season Spring, Autumn, Winter Unfolded Size 210 × 80 cm Suitable Height Up to 2 m (Lengthened) Splicing Yes – double sleeping bag configuration Applicable Users Adults Available Colors Black, Blue, Gray Fill Weight Options 400g / 600g / 800g / 1000g / 1200g Why Choose This 95% Goose Down Bag? Premium 95% Goose Down: Among the highest down purity available — exceptional loft, warmth, and compressibility that synthetic fills simply can’t match. Five Fill Weight Options: From 400g for mild cold to 1200g for extreme winter conditions — choose the exact insulation level your adventure demands. Splicing Double Design: Zip two bags together for a spacious double sleeping bag — i for couples or extra warmth on the coldest nights. Durable Terylene Shell: Soft, breathable, and resistant to wear — a shell that performs across multiple seasons without degrading. Ultralight & Packable: High fill power means more warmth per gram, keeping your pack weight low without sacrificing cold-weather performance. I For Winter camping and cold-weather expeditions Alpine trekking and mountaineering Spring and autumn backpacking trips Couples camping (splicing two bags together) Ultralight hikers who prioritize warmth-to-weight ratio In the Box 1 × 95% Goose Down Sleeping Bag (fill weight as selected) 1 × Compression storage bag