Mummy Sleeping Bag
When a full day of adventure has earned you a good night’s rest, you deserve a sleeping bag that fits like a dream. Our Mummy Sleeping Bag is warm, comfortable, and versatile. It keeps you cozy and tucked away after a long day of hiking, climbing, biking, canoeing or any other outdoor pursuit.
The Mummy features a hood and a full length 2-way side zipper with an integrated draft tube and zipper guard to keep it breeze-free. The zipper wraps all the around the footbox allowing you to open the bag flat like a blanket or to simply unzip the bottom to kick your feet out if you get too hot under all of that premium down.
- Constructed with Responsible Down Standard certified 900 fill power Muscovy Duck down.
- Goose and duck down are naturally water repellent, but as with any down (treated or not) it will wet out if exposed to moisture for more than a few minutes. Our Muscovy down is ultrasonic-washed. It is odor free and contains no added chemicals or treatments.
- Each compartment is overstuffed with 30% more 900 Fill Power premium down than is necessary for maximum loft to account for any future down compression.
- Vertical baffles on the upper body keep down from migrating to the sides. Tightly spaced compartments help keep the down evenly distributed so there are no cold spots. There are no "sewn through" seams.
- Our rectangular foot box is roomy, and fits the shape of your feet comfortably when lying on your side, on your stomach, or on your back with your feet angled out in a relaxed position.
- Black fabric on the inside for quick drying. Both the liner and the shell are treated with PFC Free C0 durable water repellent to resist rain spray and body moisture.
- Integrated hood with cinch cord provides full protection from the elements for cold nights on trail.
- Full length two way side zipper extends around the bottom of the bag allowing you to fully open the bag like a blanket.
- You can open the bottom end and vent your feet, or flip the bag around and wear it as a cape in camp on cold mornings.
- A draft tube stops cold air from passing through the zipper.
- A zipper guard is in place to prevent the zipper from snagging on the draft tube or sleeping bag material.
- A snap at the top of the zipper keeps the zipper securely closed.
- Our mummy bag maintains its full width at the neck/shoulders. You can hang your arms out to vent, or reach out without unzipping or feeling trapped in a straight jacket like many other ultralight mummy bags.
- An Elastic cord can be cinched tight around your neck to keep out drafts, or pull the bag up around your ears.
- Shock cord can be cinched independently at the neck and hood to keep out drafts and snug the hood down around your face.
- A Roll Top Dry Bag is included, and adds ~.9 ounces (25.5 grams) to the listed weight. The dry bags are a comfortable fit and can be compressed smaller by squishing the contents and rolling the top down more.
- All Zpacks gear has a two year limited warranty against defects in materials or workmanship. Please see our return / warranty policy.
- Our sleeping bag shell materials do not contain any harmful chemicals such as flame retardants. Our shell is treated with C0 Durable Water Repellent, which is free of PFOA and PFOs
A printable .pdf version is available here.
A printable .pdf version is available here.
ISO Rating
While our sleeping bags and quilts have not been tested for their International Standard Organization (ISO) rating, we estimate based on feedback and use that they are closest to the ISO "Transition Range.“
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.51 oz/sqyd Ventum Ripstop Nylon The inner and outer shells of our Sleeping Bags and Quilts are both made from this super light, high quality, 7 denier fabric that weighs in at just .51 oz/sqyd (17 g/m²). Featuring a high quality "C0" durable water repellant (DWR), this ripstop and tear resistant material can also handle light mist and dew (but is not waterproof). Ventum nylon cuts the wind while still allowing for excellent vapor transfer and breathability. With a soft texture, Ventum is not sticky or plastic feeling like some other fabrics in this weight range. The material is down and mosquito proof and is an excellent choice for wind shell clothing and sleeping bag shells. Ventum fabric tests at 39.5 CFM under ASTM D-737. |
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900 Fill Power Muscovy Duck Down 900 Fill power Muscovy duck down is 'Responsible Down Standard' certified, ensuring that the animals are treated humanely. Down is a byproduct of the meat industry. Our Muscovy down is ultrasonic-washed. It is odor free and contains no added chemicals or treatments.  |
A printable .pdf version is available here.
Click here for full instructions on how to wash our down sleeping bags and quilts.
Sleeping Add-Ons
Medium Pillow
Slept great this past weekend using it for the first time. I really like being able to control the firmness of the pillow by using the desired amount of extra clothing I’m carrying. And it’s a great waterproof stuff sack!
We merged the comfort of a pillow with the utility of a dry sack to form this Medium Pillow. Identical in size to the Medium Dry Bag, our Medium Pillow features soft micro fleece sewn to one half of the interior. Simply flip the dry bag inside out (as shown) and fill it with your spare clothes and gear to use as a pillow!
Need a different size? Check out the Medium-Plus Pillow or the rest of our Dry Bag collection.
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Medium-Plus Pillow
It worked very well on a recent three day weekend trip. Just what I was looking for to help cut down on weight and also be multifunctional.
Bring a pillow on every adventure you take without adding extra weight or bulk. Identical in size to the Medium-Plus Dry Bag, our Medium-Plus Pillow features soft micro fleece sewn to one half of the interior. Simply flip the dry bag inside out (as shown) and fill it with your spare clothes and gear to use as a pillow!
Need a different size? Check out the Medium Pillow or the rest of our Dry Bag collection.
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