The ZERO Mummy Sleeping Bag is engineered for high-altitude, low-temperature expeditions, offering superior warmth, durability, and comfort for mountaineers and outdoor enthusiasts. With its premium materials and thoughtful design, it’s ideal for tackling the coldest conditions.

The ZERO Mummy Sleeping Bag combines innovative features, premium materials, and superior warmth, making it the ultimate companion for cold-weather adventures.

Key Features:

• Exceptional Warmth & Comfort:
• Hooded design minimizes heat loss and keeps your head warm.
• Shoulder and zipper baffles prevent cold air infiltration, ensuring core warmth.
• Collar and hood pull-strings trap body heat for comfort below 32℉/ 0ºC.
• Functional Design:
• Internal pocket near the collar for storing essentials like a cell phone or flashlight.
• Four small internal pouches designed to hold heat warmers for extra warmth.
• Premium Construction:
• Made with water-resistant, durable materials to withstand intense use.
• Filled with high-quality white duck down, providing industry-leading fill power for exceptional warmth-to-weight ratio.
• RDS (Responsibly Down Standard) certified for ethical sourcing.
• Compact & Portable:
• Compresses to approximately 13 x 7 inches in the included ripstop nylon compression sack, saving valuable pack space.
• Includes a mesh storage sack for proper long-term care.
• Ideal for Various Conditions:
• Designed for mild to cold weather excursions and high-performance mountaineering.
• Provides unmatched warmth compared to other sleeping bags at this price point.