Ultralight Goose Down Sleeping Bag – Waterproof Envelope Style, Rated to -20°C When temperatures drop and conditions get serious, this ultralight goose down sleeping bag delivers the warmth and protection you need. Filled with premium white goose down and wrapped in a waterproof outer shell, it handles cold-weather camping, backpacking, and travel with ease. Available in four fill weights from 1,100 g to 1,700 g, you can choose the exact level of insulation for your destination and season. The spliceable zipper design lets two bags join together for a double sleeping setup. Key Features Premium Goose Down Fill: White goose down insulation is fluffy, lightweight, and highly compressible — delivering exceptional warmth-to-weight performance in cold conditions. Waterproof Outer Shell: Water-resistant outer fabric protects against light rain, damp ground, and condensation inside tents. Breathable, Skin-Friendly Lining: Fine, breathable inner lining is comfortable against bare skin for a restful night’s sleep. Spliceable Design: Left and right zipper options allow two bags to be joined together, creating a spacious double sleeping system for couples. Thickened Draft Collar & Windscreen: Blocks cold air from entering through the zip, locking in warmth for longer. Adjustable Hood: Elastic drawstring hood cinches close to the head to prevent cold air from entering at the top. Velcro Zipper Guard: Prevents accidental zipper opening and adds an extra layer of wind protection at the head. Foot Vent Zipper: Foot-end zipper can be opened for ventilation in warmer conditions or when using the bag as a quilt. Fully Openable: Can be fully unzipped and used as a duvet or down pad for versatile indoor and outdoor use. Removable Hood: Hood can be detached for easier indoor use. Four Fill Weight Options: 1,100 g, 1,300 g, 1,500 g, or 1,700 g — choose based on your expected temperature range. Five Color Options: Orange, Red, Green, Blue, or Black. Product Specifications Specification Details Fill Material White Goose Down Outer Shell Waterproof Fabric Lining Breathable, Skin-Friendly Fabric Style Envelope (Spliceable) Suitable For Adults (up to 180 cm height) Seasons Spring, Autumn, Winter (Cold Weather) Temperature Range -10°C to -20°C Zipper Options Left / Right (spliceable) Available Colors Orange / Red / Green / Blue / Black Use Cases Camping, Backpacking, Travel, Home Fill Weight Options Fill Weight For 1,100 g Mild cold — autumn camping & cool nights 1,300 g Cold conditions — late autumn & early winter 1,500 g Very cold — winter camping & mountain use 1,700 g Extreme cold — sub-zero winter expeditions Note: Fill weight errors of up to 100 g are normal due to automated filling processes. Heavier fill = warmer bag. Choose based on the coldest temperature you expect to encounter. Who Is This Sleeping Bag For? Winter Campers who need reliable warmth in sub-zero temperatures Backpackers who want a lightweight, compressible down bag for cold-weather trips Couples who want to splice two bags together for a shared double sleeping system Travellers who need a versatile sleeping bag for hostels, camping, and outdoor adventures Tall Adults (up to 180 cm) who need a full-length, comfortable sleeping bag Why Choose This Goose Down Sleeping Bag? Goose down is the gold standard of sleeping bag insulation — nothing else matches its warmth-to-weight ratio and compressibility. This bag takes that premium fill and pairs it with a waterproof shell, a spliceable zipper system, and a thoughtfully designed hood and draft collar to keep cold air out and warm air in. Whether you’re camping in the Norwegian fjords, the Canadian Rockies, the Swiss Alps, or the Australian highlands in winter, this sleeping bag is built to keep you warm and comfortable through the night. Package Contents 1 × Goose Down Sleeping Bag (choice of fill weight and color) 1 × Storage Bag