Near Zero Outdoor Gear
ZERO Mummy Sleeping Bag
ZERO Mummy Sleeping Bag
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Product Description
The ZERO Mummy sleeping bag is built for cold-weather and high-altitude expeditions. It uses 850+ fill-power down, a durable water-resistant shell, hood design with pull-cords, and shoulder/zipper baffles to lock in warmth. Comfort rated around 14 °F and comfort limit 0 °F making it a serious mountaineering option.
Key Features
Exceptional Warmth & Comfort: Hooded design reduces heat loss and keeps your head warm, with shoulder and zipper baffles to block cold air and maintain core temperature. Adjustable collar and hood pull-strings help trap body heat for comfort in temperatures below 32°F (0°C).
Functional Design: Includes an internal pocket near the collar for essentials like a phone or flashlight, plus four small internal pouches designed to hold heat warmers for added warmth when needed.
Premium Construction: Built with durable, water-resistant materials and insulated with high-quality white duck down for an exceptional warmth-to-weight ratio. Responsibly sourced and certified to the RDS (Responsible Down Standard).
Compact & Portable: Packs down to approximately 13 x 7 inches in the included ripstop nylon compression sack, conserving valuable pack space, and comes with a mesh storage sack for proper long-term care.
Ideal for Various Conditions: Designed for mild to cold weather adventures and high-performance mountaineering, offering outstanding warmth compared to other sleeping bags in its class and price point.
Technical Specs
| Best Use | Backpacking/Camping/Mountaineering |
| Temperature Rating (F/C) | Comfort: 14 F/ -10 C Comfort Limit: 0 F/ -18 C |
| Weight | Short: 2 lb. 3 oz. (1000 g) Regular: 2 lb. 10 oz. (1200 g) Long: 3 lbs. (1400 g) |
| Zipper Location | Right |
| Material | 10D taffeta nylon |
| Insulation Type | White duck down |
| Fill | 850+ fill power (RDS certified) Short: 570 g of down fill Regular: 750 g of down fill Long: 1020 g of down fill |
| Shape | Mummy |
| Fit (User Recommended Height) | Short: Fits up to 5' 6" (168 cm) Regular: Fits up to 6' (183 cm) Long: Fits up to 6' 6" (198 cm) |
| Dimensions (L x shoulder/hip width) | Short: 73 x 31/18 inches Regular: 80 x 31/20 inches Long: 87 x 31/20 inches |
| Gender | Unisex |
Shipping Time: Orders processed and shipped within 24-48 business hours of placement date. Shipped from Arizona. Delivered in 2-6 days with FREE GROUND SHIPPING on all orders over $99, that ship within the 48 contiguous United States. Additional shipping options available.
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Thank you for shopping with Weston Outdoor Gear — where every piece of gear is built to last and made to explore.
All Weston Gear products handcrafted in-house are made to order. Each item is cut, sewn, and finished one at a time in our production studio to ensure the highest level of quality and craftsmanship.
Please allow 5–7 business days from your order date for your handcrafted gear to ship.
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Once shipped, you’ll receive a tracking link so you can follow your gear’s journey straight to your door.
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