Product Description
The NZ 20 Mummy Ultralight Sleeping Bag is designed for high-altitude expeditions, backpacking, and camping trips, offering exceptional warmth, comfort, and packability. Built with premium materials and innovative features, it’s your go-to sleeping bag for mild to cold weather adventures.
Key Features
Premium Insulation & Materials: 850+ fill white duck down for superior warmth-to-weight performance. Built with water-resistant 10D ripstop nylon and certified to the RDS standard.
Advanced Warmth & Comfort: 18°F (-8°C) comfort limit with hood, collar adjustments, and baffles to block drafts. Includes an internal pocket for essentials.
Lightweight & Packable: Compresses to about 12 x 6 inches—similar to a 32-oz bottle—using the included compression sack to conserve pack space.
Designed for Adventure: Ideal for cold-weather camping, mountaineering, and backpacking. Durable, lightweight, and offers higher fill power than many competitors for exceptional value.
Included Accessories
- Compression carrying bag made of ripstop nylon.
- Mesh storage sack for long-term storage.
Technical Specs
| Best Use |
Backpacking/Mountaineering |
| Temperature Rating (F/C) |
Comfort: 28 F/ -2 C Comfort Limit: 18 F/ -8 C Extreme: 12 F/ -11 C |
| Weight |
Short: 1 lb. 8 oz. (700 g) Regular: 1 lb. 13 oz. (800 g) Long: 2 lbs. (900 g) |
| Zipper Location |
Right |
| Material |
10D taffeta nylon |
| Insulation Type |
White duck down |
| Fill |
850+ fill power (RDS certified) Short: 400 g of down fill Regular: 470 g of down fill Long: 560 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 same day, or next business day 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.
We recommend sizing up.
Model is wearing size M.
Height: 180cm / 5’9”
Bra size: EU 75, US/UK: 34
We use the highest quality technical fabrics available on the market and are passionate about creating timeless, lasting items. To keep your activewear in great shape, wash it on cold and gentle cycle, do not tumble dry and hang dry immediately after washing. Do not bleach.