Marmot Hibernest 15 Sleeping Bag Long

Cold Weather Comfort with 15 Degree Down Insulation
Built for dependable performance in changing conditions, the Marmot Hibernest 15 sleeping bag delivers reliable warmth for cold weather camping and backpacking. Rated as a 15 degree sleeping bag, it is ISO tested for reliable temperature rating, giving you confidence when temperatures drop. The 650 fill power down insulation is treated with Down Defender to improve performance in wet conditions, helping maintain loft and warmth during damp or humid nights.

Roomy Fit with Convertible Quilt Function
Designed with generous dimensions, this mummy sleeping bag offers a roomy interior that allows comfortable sleep in multiple positions. The main zipper can be fully opened so the bag lays flat like a quilt, providing versatile ventilation when conditions warm up. Extended zipper flaps add blanket-like coverage when unzipped, while the draft tube helps seal in warmth and reduce heat loss when you move during the night.

Sustainable Construction with Practical Storage
Constructed with a 100% recycled shell and lining, this down sleeping bag delivers reliable performance while using recycled materials throughout its build. An internal stash pocket keeps small essentials within reach inside the bag. Whether you're heading out for winter camping or cool-season backpacking, this cold weather sleeping bag balances warmth, versatility, and thoughtful design features.