Unbiased Marmot Mummy Sleeping Bags Review


Our review process

We have gathered, researched, and analyzed information on plenty of various types of sleeping bags in order to show you our highest rated sleeping bags. We then further sub-categorized them and looked more specifically at 89 different Marmot mummy sleeping bags. In our research, we took into consideration a variety of different key features among the 28,000 different data parameters and combined it with customer reviews to inform you of the top Marmot mummy sleeping bags available. But don't just take our word for it, check out some of the advantages and disadvantages of some of the main specs.

If you've decided on Marmot mummy sleeping bags but want to know more about the brand, take a look at what makes them different. Marmot is a well-known American brand in the sleeping bag industry that has been improving sleep quality in the outdoors since 1974. Marmot has a diverse line of sleeping bags, so whether you're looking for something to use for summer backpacking or winter car camping trips, it has tons of options depending on your outdoor needs. Marmot uses the EN standard rating to test all sleeping bags, giving you a better idea of how your sleeping bag will perform in the real world. Marmot sells more expensive sleeping bags, so they are a great option if you are looking for a high-quality product that will stay intact for a long time. Marmot sleeping bags are available for purchase from various stores and websites, so you can select your next sleeping bag whichever way is more comfortable for you. The company has award-winning products such as the Marmot Ultralight Down sleeping bag, which is well-reviewed by consumers. Having won the Backpacker Editor's Choice 2008 Gold Award, Marmot is always striving to make exceptional quality products for its customers. Marmot specializes in making outdoor apparel, jackets, children apparel, luggage, tents, and camping accessories in addition to sleeping bags. Marmot is one of the largest sleeping bag companies. With innovative features, like EVODry, Gore-Tex, Marmot Guardian, and M Softshells, Marmot is at the forefront of designing more durable, insulated, and comfortable sleeping bags. Marmot sleeping bags are made using recyclable materials. With this new insight on Marmot, lets discuss Marmot mummy sleeping bags. They weigh less than rectangular bags, so they are best when you need maximum warmth and minimal weight. Ideal for cold weather, they are good for cold weather. However, mummy sleeping bags provide less space to move around, making them less suitable for sleepers who toss and turn.

Our Top Ranking Sleeping Bags:
Product NameColorSize
Best Overall Score
1
An image of Marmot Never Winter 29840-4969-L Sleeping Bag
Marmot Never Winter 29840-4969-L Sleeping Bag
cilantro and tree green
single
Runner Up
2
An image of Marmot Voyager 900716-4440 Men's 50 Degree Sleeping Bag
Marmot Voyager 900716-4440 Men's 50 Degree Sleeping Bag
cilantro
single
For Cold Weather
3
An image of Marmot Ironwood 30 900925-4938 Men's 30 Degree Sleeping Bag
Marmot Ironwood 30 900925-4938 Men's 30 Degree Sleeping Bag
green
Best Affordable Option
4
An image of Marmot Voyager Jr. 900720-6278 Kids Sleeping Bag
Marmot Voyager Jr. 900720-6278 Kids Sleeping Bag
For Backpacking
5
An image of Marmot Ironwood 900927-3873 Men's 20 Degree Sleeping Bag
Marmot Ironwood 900927-3873 Men's 20 Degree Sleeping Bag
denim and steel onyx
single
Our Top Ranking Sleeping Bags
Customer Rating
Color
cilantro and tree green
Size
single
Customer Rating
Color
cilantro
Size
single
Customer Rating
Color
Size
Customer Rating
Color
denim and steel onyx
Size
single
Best Overall Score
An image of Marmot Never Winter 29840-4969-L Sleeping Bag

Choose the Marmot Never Winter Mummy Sleeping Bag to stay warm and cozy in the outdoors. With a mummy shape, this Marmot sleeping bag is fitted to prevent warm air from escaping. It is equipped with a zipper guard, preventing the fabric from getting caught in the zipper. Good for summer, it is very thin and breathable since it doesn't need the same amount of insulation as winter or 3 season sleeping bags. This sleeping bag has Down Defender, which protects down from clumping when exposed to moisture. It is designed for camping, giving you insulation to comfortably sleep outdoors after the temperatures drop at night.

This Marmot sleeping bag allows you to easily get in and out, so it has a convenient design to make it effortless to get in and out quickly. It has a stuff sack and a two-way zipper, so you can conveniently control the airflow inside the sleeping bag. The hood has drawstrings, which allows you to adjust the tightness depending on the weather and your own preference. This sleeping bag features an interior pocket, so you can store your important items, such as your phone.

    Pros
    • Zipper guard keeps the fabric from tearing
    • Drawstring hood provides extra comfort by the head
    • Two-way zipper allows you to tweak the temperature
    Cons
    • Mummy shape doesn't have space to move around
    • Camping sleeping bags are not suitable for hiking
Runner Up
An image of Marmot Voyager 900716-4440 Men's 50 Degree Sleeping Bag

With a great user rating, the Marmot Voyager Men's 50 Degree Mummy Sleeping Bag might be exactly what you need for your next trip. This Marmot sleeping bag has a mummy shape, which is wider on top and more tapered on the bottom, keeping warm air close to your body. It features a 50°F temperature rating and is waterproof, making it a good choice for wet environments. This sleeping bag has a polyester exterior, which resists UV light, shielding you from damaging sun rays. It features a compressible design, so your sleeping bag will not take up a lot of room, leaving you with enough space to bring along your other gear. It is suitable for hiking, so it is compact and easy to fit in your bag, making it comfortable to carry no matter the distance. This sleeping bag has a stuff sack and features a two-way zipper, so you can easily control the temperature while you sleep.

    Pros
    • Designed to compress easily
    • Two-way zipper allows you to adjust the temperature
    • Polyester shell is strong and colorfast
    Cons
    • Mummy shape has a tailored cut which may not be comfortable for every sleeper
    • Polyester exterior is not so durable
For Cold Weather
An image of Marmot Ironwood 30 900925-4938 Men's 30 Degree Sleeping Bag

Use the Marmot Ironwood 30 Men's 30 Degree Mummy Sleeping Bag to stay warm in the outdoors. With a mummy shape, this Marmot sleeping bag is fitted to prevent cold air pockets. It features Down Defender, protecting down from losing loft when exposed to wet elements. This sleeping bag is ideal for temperatures around 30°F and is waterproof, resisting moisture and keeping you dry in rainy conditions.

Equipped with an interior pocket, this Marmot sleeping bag has a convenient place to store small objects. It is made for backpacking and is lightweight, making it great for hiking or traveling long distances on foot. This sleeping bag is easy to pack, making it an excellent option if mobility and space are a key factor for you. It comes with a stuff sack and features a two-way zipper, so you can easily adjust the airflow inside the sleeping bag.

    Pros
    • Easy to pack sleeping bags roll up compactly
    • Two-way zipper provides airflow at the bottom of the sleeping bag
    • Lightweight construction
    Cons
    • Mummy shape doesn't have extra space to move around
Best Affordable Option
An image of Marmot Voyager Jr. 900720-6278 Kids Sleeping Bag

With the Marmot Voyager Jr. Kids Mummy Sleeping Bag, your kids will have a great weekend getaway. Designed for kids, this Marmot sleeping bag provides warmth and comfort for your children as the shape is tailored to their small size. It has a mummy shape, sealing in body heat since it is tight fitting. With a lightweight build, this Marmot sleeping bag can be easily carried by your kids. It is waterproof, making it a good fit for damp environments. It has Spirafil insulation, which combines large, hollow fibers with small, polyester fibers to create a blend of loft, warmth, and softness. With a compressible design, it fits easily into a backpack or bag. This sleeping bag allows your kids to easily get in and out, so your kids don't need to struggle to get into or out of their sleeping bags. It has a two-way zipper, which increases airflow by their feet or upper torso if opened from either direction. It features a stuff sack, which takes up hardly any space and will make packing so much easier.

    Pros
    • Made to compress easily
    • Two-way zipper provides airflow by your feet
    • Kids design is simple to transport
    Cons
    • Mummy shape restricts different sleeping positions
    • Your kids will grow out of their children's sleeping bag
For Backpacking
An image of Marmot Ironwood 900927-3873 Men's 20 Degree Sleeping Bag

See all that nature has to offer from the comfort and safety of the Marmot Ironwood Men's 20 Degree Mummy Sleeping Bag. Featuring a mummy shape, this sleeping bag is fitted to prevent warm air from escaping. It is suitable for temperatures around 20°F and is waterproof, making it a good fit for damp conditions. This sleeping bag uses Down Defender, protecting down from losing loft when exposed to moisture. It works well for backpacking trips and is lightweight, making it great for hiking or traveling long distances on foot. With an interior pocket, it has a convenient spot to store essentials. This sleeping bag features a stuff sack, which will keep your pack organized, and a two-way zipper, which increases airflow by your feet or upper torso if opened from either direction.

    Pros
    • Two-way zipper provides airflow at the bottom of the sleeping bag
    • Lightweight build
    • Mummy shape is great for hiking
    Cons
    • Mummy shape is very fitted with no extra space to move around
Additional Picks
An image of Marmot Never Summer 0 Degree Nylon Sleeping Bag

Choose the Marmot Never Summer 0 Degree Nylon Mummy Sleeping Bag to stay warm and cozy in the outdoors. This sleeping bag has a mummy shape, which is larger on top and more tapered by the feet, keeping warm air closer to you. It has a nylon ripstop shell, which is hypoallergenic, eliminating dust to keep you allergy free, and a nylon lining, which will feel light and soft and will stay at a comfortable temperature. It features an interior pocket, which offers you a handy and safe spot to store your valuable and small items, such as your flashlight. This sleeping bag is made for summer, designed for maximizing ventilation to keep you cool during warm weather. It can withstand 0°F temperatures and is waterproof, resisting moisture and keeping you dry in damp conditions. It features Down Defender, protecting down from clumping when exposed to moisture.

    Pros
    • Nylon lining will stay at a comfortable temperature
    • Nylon ripstop exterior is light and comfortable
    • Ventilated properly for warm summer temperatures
    Cons
    • Nylon pills with excess washing
    • Mummy shape limits different sleeping positions
An image of Marmot Xenon Women's 10 Degree Sleeping Bag

With a great user rating, the Marmot Xenon Women's 10 Degree Mummy Sleeping Bag could be exactly what you need for your next outdoor adventure. This women's Marmot sleeping bag gives extra insulation at the feet and torso as women generally are naturally colder than men. This Marmot sleeping bag has a mummy shape, sealing in your body heat since it is tight fitting. It has a nylon ripstop exterior, so it lasts for a long period of time.

Featuring a lightweight build, this Marmot sleeping bag is great if you want to save space and move fast,. Its hood has drawstrings, which allows you to adjust the tightness depending on the weather and your own preference. This sleeping bag is suitable for temperatures as low as 10°F, sealing in heat by maximizing insulation. It comes with a stuff sack, which takes up hardly any space and will make packing your bag so much easier.

    Pros
    • Drawstring hood gives extra cushion by the head
    • Stuff sack provides space to stash loose items
    • Women's design provides extra padding by your extremities
    Cons
    • Mummy shape has a tailored cut which may not be comfy for all campers
    • Stuff sack can damage the sleeping bag's filling after prolonged use
    • Women's sleeping bags can sometimes be too fitted
An image of Marmot 30 Degree Down Sleeping Bag

Choose the Marmot 30 Degree Down Mummy Sleeping Bag to stay warm and cozy in the outdoors. This sleeping bag has a mummy shape, sealing in your body heat since it is tight fitting. It features a down lining, lasting up to a decade with the proper upkeep. This sleeping bag has a 30°F temperature rating, which is designed for retaining warmth, keeping you well-insulated in chilly weather.

This sleeping bag features a zipper guard and unzips on each side for convenient access. It has a mummy-style hood, which fits snugly over your head, helping keep you warm by trapping body heat. It has a two-way zipper, so you can easily adjust the temperature while you sleep. This sleeping bag features an easy access tab, so you won't have to struggle with the zippers in order to get in and out quickly.

    Pros
    • Zipper guard prevents the material from snagging
    • Mummy-style hood traps body heat
    • Two-way zipper provides airflow by your feet
    Cons
    • Down needs special cleaning
    • Mummy shape is very fitted with no extra room to move
An image of Marmot Sawtooth Men's Sleeping Bag

You'll want to learn all about the Marmot Sawtooth Men's Mummy Sleeping Bag to discover what sets it apart from all the other sleeping bags on the market. This sleeping bag is suitable for camping, offering cozy warmth without adding a lot of weight. With a mummy shape, it is made for optimal warmth-to-weight ratio, since it is fitted so there is no extra material, cutting down on the weight and making it more comfortable to carry on your back. It features a zipper guard, preventing the material from snagging when opening and closing the zipper. This sleeping bag uses Down Defender, protecting down from losing loft when exposed to wet elements. It features a stuff sack and has a two-way zipper, so you can easily control the airflow while you sleep.

    Pros
    • Zipper guard prevents the fabric from catching
    • Stuff sack will keep your backpack organized
    • Mummy shape has high insulation
    Cons
    • Mummy shape has a tight fit which may not be comfy for every sleeper
    • Camping sleeping bags are not suitable for hiking
    • Stuff sack can ruin the sleeping bag's filling if used for too long
An image of Marmot Lithium 0 Degree Sleeping Bag

Let's review the Marmot Lithium 0 Degree Mummy Sleeping Bag, rated highly by online shoppers. This sleeping bag is lightweight, so you can take it on every trip you embark on without feeling weighed down. With a mummy shape, it is made with excellent warmth-to-weight ratio, since it is very fitted so there is no extra material, cutting down on the weight and making it easier to carry. It is waterproof and features a 0°F temperature rating, preventing any icy drafts from keeping you up at night. This sleeping bag uses Down Defender, protecting down from losing loft when exposed to moisture.

    Pros
    • Lightweight build, which reduces the weight of your bag
    • Mummy shape has excellent insulation
    • Intended for one sleeper, making it a great space-saving choice
    Cons
    • Mummy shape does not have extra space to move around
More Things You Should Know When Buying a New Marmot Mummy Sleeping Bag:
Season Options for Marmot Mummy Sleeping Bags
3 Season Sleeping Bags

Are 3 season sleeping bags the right fit for you? Learn more about them in this section and if you still want to check them out, then come take a look at this particular Marmot mummy sleeping bag that we chose for you. 3 season sleeping bags have enough insulation for colder weather camping trips in spring through to autumn, which provides you with the comfort and warmth you need for sleeping outside during almost every season. Keeping you warm in most conditions except for snow, they are extremely versatile and will provide you with the insulation you need, unless you're planning on going on an extreme alpine winter expedition.

2 Season Sleeping Bags

If you're looking for a Marmot mummy sleeping bag for 2 seasons, then you should check out some of the things we have to say below. These sleeping bags feature a lightweight design, so if you're worried about carrying too much weight, they could be a great option for you. They are good for warmer weather, keeping you comfortably warm, while still allowing for proper ventilation on your camping trips during the late spring, summer, and early fall. Something to keep in mind is that they feature the least amount of weather protection, which won't offer the necessary weather protection for extreme cold. On the other hand, they have good ventilation features, which let air flow through, so you wont get overheated at night. If you are considering getting a Marmot mummy sleeping bag for 2 season use, check out this great one.

What Kinds of Liner Materials Are Available for Marmot Mummy Sleeping Bags?
Polyester Sleeping Bags

Are polyester sleeping bags the best choice for you? Take a look at this particular Marmot mummy sleeping bag with a polyester liner that we picked out for you. These sleeping bags are naturally hypoallergenic, so they don't contain harmful substances that can cause discomfort for people with asthma or certain chemical sensitivities. They are extremely durable, so you don't have to worry about rips or holes in the fabric. They are easy to clean, so they can go many years before needing a complete wash. With great breathability, they won't stick to your skin or leave you feeling overheated on warmer nights. Polyester sleeping bags dry quickly, reducing the overall amount of moisture trapped and absorbed by the material.

Down Sleeping Bags

We compared 16 great Marmot mummy sleeping bags that have a down liner to help you decide if this is the right material you want. These sleeping bags can be easily compressed, making it perfect if you have a lot to pack but limited space to fit everything. They are designed to be insulated, preventing any cold drafts from getting in the way of a good night's sleep. They are very comfy, ensuring comfort and rest, no matter the surface underneath. They are designed for warmth, so cold temperatures won't keep you from an epic outdoor adventure. With great breathability, they won't stick to your skin or make you feel overheated on warmer nights. They are extremely durable, so you don't have to worry about rips or holes in the fabric. Feel ready to pick out the right Marmot mummy sleeping bag for you? Get started here.

Nylon Ripstop Sleeping Bags

Are nylon ripstop sleeping bags the best fit for you? Take a look at this particular Marmot mummy sleeping bag with a nylon ripstop liner that we picked out for you. Nylon ripstop sleeping bags are extremely durable, so no matter how many times they go in the wash, they won't pill or unravel. With great breathability, they won't stick to your skin or leave you feeling overheated on warmer nights. They are moisture wicking, allowing you a better night's sleep in more humid conditions.

Differentiating Between Temperature Ratings of Marmot Mummy Sleeping Bags
20 Degree Sleeping Bags

If you're looking for a 20 degree rating Marmot mummy sleeping bag, then you should check out this great sleeping bag. These 20 degree sleeping bags should keep you comfortable down to 20°F, but remember that this doesn't account for variables such as layering, what you're wearing, and various other factors. They are more affordable than sub-zero degree bags, so you can get one without feeling worried about going over your budget. They feature a tight fitted hood design, so your head and neck will be just as warm as the rest of your body.

30 Degree Sleeping Bags

If you're looking for a 30 degree rating Marmot mummy sleeping bag, then you should consider this great sleeping bag. These 30 degree sleeping bags should keep you comfortable down to 30°F, although do keep in mind that this doesn't account for variables such as layering, what you're wearing, and various other factors. They are more affordable than sub-zero degree bags, so if you aren't planning on sleeping out in frigid temperatures, these sleeping bags are a great option that won't break your budget. They are typically lighter, so although they don't protect against the most extreme weather they are easier to pack and will contribute to less overall weight you have to carry. They are perfect for almost every season, so they are one of the most practical options out there.

40 Degree Sleeping Bags

Think that 40 degree sleeping bags are right for you? Then come check this Marmot mummy sleeping bag after you finish reading more information on them. These 40 degree sleeping bags should keep you comfortable down to 40°F. They are great for warm weather trips, so you won't feel stuffy and uncomfortable if a hot front comes through. They are generally cheaper than sub-zero degree bags, so you can buy these without feeling worried about going above your budget. They feature lighter weight than lower temperature rating bags, so they are great for when you want to travel light and cover long distances.