Built for the adventurer who moves fast and sleeps well, the Duck Down Mummy Sleeping Bag delivers premium warmth in an ultralight package. Filled with white duck down and wrapped in a 400T nylon anti-splash, anti-tear shell, this mummy-style bag is engineered for spring and autumn camping, trekking, and mountaineering where weight and packability matter most. The contoured mummy cut hugs your body to eliminate cold spots, while the thickened fill keeps you comfortable in temperatures from 5°C to 15°C. At 210 × 80 × 50 cm unfolded and suitable for adults up to 2 m tall, it’s a bag that fits without compromise. Specifications Specification Detail Style Mummy Filling White Duck Down Shell & Lining Fabric 400T Nylon (Anti-Splash, Anti-Tear) Temperature Rating 5°C to 15°C Season Spring, Autumn Unfolded Size 210 × 80 × 50 cm Suitable Height Up to 2 m (Lengthened) Configuration Single Sleeping Bag Applicable Users Adults Available Colors Black, Purplish Blue Fill Weight Options 600g / 1200g Why Choose This Duck Down Mummy Bag? Premium Duck Down Fill: Natural down insulation provides exceptional warmth-to-weight ratio — lighter and warmer than synthetic s at the same fill weight. Ultralight 400T Nylon Shell: Anti-splash and anti-tear construction protects against light moisture and trail abrasion without adding bulk. Mummy Cut for Heat Efficiency: Tapered design and contoured hood minimize dead air space and lock in body heat on cool nights. Two Fill Weights: Choose 600g for mild spring/autumn conditions or 1200g for colder nights — same bag, matched to your conditions. Extended Length: Fits adults up to 2 m tall comfortably — no more cramped footboxes. I For Spring and autumn camping trips Backpacking and multi-day trekking Mountaineering and high-altitude camping Ultralight hikers prioritizing pack weight Adults up to 2 m tall needing a lengthened fit In the Box 1 × Duck Down Mummy Sleeping Bag 1 × Compression storage bag