Best Mammut Mummy Sleeping Bags of 2026

Luke Dobson Avatar
Luke Dobson
Last Updated: 9 Feb 2026

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Mammut's Mummy Sleeping Bags are designed to provide a comfortable and warm sleeping experience for outdoor enthusiasts. These sleeping bags are made with high-quality materials that are durable and lightweight, making them perfect for backpacking, camping or any other outdoor activity. The mummy shape of the sleeping bags provides a snug fit, which helps to retain body heat and keep you warm in cold temperatures. The sleeping bags come in a range of colours and sizes to suit individual preferences. Mammut's Mummy Sleeping Bags are perfect for anyone looking for a reliable and comfortable sleeping bag for their outdoor adventures.

At a Glance: Our Top Picks

Mammut Women's Perform -10C Mummy Sleeping Bag Cover #TOP 1
Mammut Women's Perform -10C Mummy Sleeping Bag
ftb score rating icon 9.9
Mammut Nordic OTI Spring Climbing Backpack Cover #TOP 2
Mammut Nordic OTI Spring Climbing Backpack
ftb score rating icon 9.8
Mammut Women's Protect -21C Down Sleeping Bag Cover #TOP 3
Mammut Women's Protect -21C Down Sleeping Bag
ftb score rating icon 9.6

Top 9 Mammut Mummy Sleeping Bags

#TOP 1

Mammut Women's Perform -10C Mummy Sleeping Bag

2410-02660
renaissance
Mammut Women's Perform -10C Mummy Sleeping Bag Cover
Mammut Women Women's Perform -10C Shoulder Bag

The Mammut Perform -10C Sleeping Bag offers a uniquely designed shape that promotes restorative sleep, ensuring you wake up refreshed. Its innovative central 2-way zipper allows for intuitive climate regulation, so you can easily adjust your comfort level. The soft material in the hood is designed to reduce noise, enhancing your overall comfort while you rest. Additionally, the bag comes with a deep sleep mask and earplugs to help block out light and sounds, making it an ideal choice for a peaceful night’s sleep.

What We Like
Promotes restorative sleep
Intuitive climate regulation
Noise-reducing hood material
Includes sleep mask and earplugs
Easy magnetic closure
#TOP 2

Mammut Nordic OTI Spring Climbing Backpack

2410-02330
jay-dark jay
195 cm
Mammut Nordic OTI Spring Climbing Backpack Cover
Mammut Nordic OTI Spring Climbing Backpack

The Mammut Nordic OTI Backpack is designed for versatility and comfort in various spring to early winter conditions. Its linkable zipper allows you to connect different sizes and versions, offering flexibility for your needs. The Performance Hood provides exceptional insulation, keeping your head warm in colder temperatures. Additionally, the ergonomic foot construction ensures a comfortable fit, while the generous 160 cm zippers allow for easy access, making it convenient for you to get in and out of your sleeping bag quickly.

What We Like
Linkable zipper for versatility
Excellent head insulation
Comfortable foot design
Easy access with long zippers
#TOP 3

Mammut Women's Protect -21C Down Sleeping Bag

2410-02670
Petrol
Mammut Women's Protect -21C Down Sleeping Bag Cover
Mammut Women's Protect Down -21C Sleeping Bag, Plain, M

The Mammut Women's Protect Sleeping Bag offers a relaxing sleep experience with its newly developed design, ensuring you stay comfortable throughout the night. The centred 2-way zip allows for intuitive climate regulation, so you can easily adjust the temperature to suit your needs. Enjoy added comfort with the soft fabric in the hood, which reduces noise for a peaceful slumber. Additionally, the inclusion of a deep sleep mask and earplugs helps to block out light and noise, enhancing your overall rest.

What We Like
Comfortable sleeping bag design
Intuitive temperature control
Soft, noise-reducing hood
Includes sleep mask and earplugs
#TOP 4

MAMMUT Relax Down Sleeping Bag 0C Unisex Grey

2410-02630
HIGHWAY (Grey)
MAMMUT Relax Down Sleeping Bag 0C Unisex Grey Cover
MAMMUT Relax Down Sleeping Bag 0C, Adult, Unisex, Highway (Grey) L

The MAMMUT Relax Down Sleeping Bag offers a restful sleep thanks to its new shape designed to enhance comfort and warmth. Its intuitive climate regulation is managed through a central 2-way zip, allowing you to easily adjust ventilation to suit changing temperatures. The soft and comfortable hood material reduces noise, helping you sleep undisturbed. Additionally, the sleeping bag features a PFC-free DWR treatment, which means it resists water without harmful chemicals, keeping you dry and environmentally mindful on your outdoor adventures.

What We Like
Comfortable new sleeping bag shape
Easy climate control with 2-way zip
Soft, noise-reducing hood material
Eco-friendly water-resistant treatment
#TOP 5

Mammut Women's Perform Down Bag -10C Features

2410-02650
Petrol
Mammut Women's Perform Down Bag -10C Features Cover
Mammut Women's Perform Down Bag -10C Petrol M=165-180cm

The Mammut Perform Down Bag is designed to ensure you enjoy restful sleep while camping. Its innovative cut enhances comfort, allowing for a better night’s rest. With an intuitive two-way zip, you can easily regulate your temperature, keeping you cosy or cool as needed. The soft material on the hood reduces noise, promoting a peaceful environment for sleep. Additionally, the included deep sleep mask and ear plugs help block out light and sound, creating an ideal setting for relaxation.

What We Like
Comfortable sleeping bag cut
Temperature regulation with two-way zip
Soft, quiet hood material
Includes sleep mask and ear plugs
PFC free water repellent treatment
#TOP 6

Mammut Nordic Down Spring Mummy Sleeping Bag

2410-02430
Graphite/Fire
195cm Left Zip
Mammut Nordic Down Spring Mummy Sleeping Bag Cover
Mammut, Nordic Down Spring, graphite-fire, 195 L

The Mammut Nordic Down Spring is designed for comfort and versatility. Its new 3-Season and Spring versions ensure you stay warm in various weather conditions, making it ideal for outdoor use. The H-box construction helps to keep the insulation evenly distributed, preventing cold spots so you can enjoy a cosy sleep. The perfect connectable zip allows you to easily join any size or version of Nordic sleeping bags, offering flexibility. Additionally, the performance hood provides lightweight insulation around your head, keeping you warm without adding weight. This makes the Mammut Nordic Down Spring a reliable choice for your camping adventures.

What We Like
Suitable for 3-season use
Even insulation with H-box design
Connectable zip for versatility
Lightweight insulated hood
#TOP 7

Mammut Perform Down Bag Mummy Sleeping Bag

2410-02570
Safety Orange
Mammut Perform Down Bag Mummy Sleeping Bag Cover
Mammut Perform Down Bag -7C Safety Orange L=180-195 cm

The Mammut Perform Down Bag is designed to ensure you enjoy a restful sleep during your outdoor adventures. Its innovative cut allows for better movement, enhancing your comfort throughout the night. With an intuitive two-way zip in the centre, you can easily regulate your temperature, making it perfect for varying conditions. The soft material on the hood reduces noise, allowing for a more peaceful experience, while the included deep sleep mask and ear plugs help block out light and sound, ensuring you wake refreshed.

What We Like
Comfortable sleeping experience
Temperature regulation feature
Soft, quiet hood material
Includes sleep mask and ear plugs
#TOP 8

Mammut Men Relax 0C Mummy Sleeping Bag

2410-02640
olive
Mammut Men Relax 0C Mummy Sleeping Bag Cover
Mammut Men Relax 0C Sleeping Bag

The Mammut Relax 0C Sleeping Bag is designed to enhance your sleeping experience. Its innovative shape allows for restorative sleep, ensuring you wake up refreshed. With a central 2-way zipper, you can easily regulate the temperature to suit your comfort. The soft material in the hood minimises noise, allowing for a peaceful night's rest. Additionally, the included deep sleep mask and earplugs effectively block out light and sound, creating a serene sleeping environment for you.

What We Like
Innovative sleeping bag shape
Easy climate regulation
Noise-reducing hood material
Includes sleep mask and earplugs
Improved zipper design
#TOP 9

Mammut Men Perform -7C Climbing Sleeping Bag

2410-02610
olive
Mammut Men Perform -7C Climbing Sleeping Bag Cover
Mammut Men Perform -7C Climbing Backpack

The Mammut -7C Sleeping Bag is designed to ensure restorative sleep during your climbing adventures. Its innovative shape enhances comfort, allowing you to relax fully after a long day. The central 2-way zipper offers intuitive climate regulation, helping you adjust to varying temperatures with ease. You will appreciate the soft material in the hood, which reduces noise and enhances comfort while you rest. Additionally, the sleeping bag comes with a deep sleep mask and earplugs, allowing you to block out light and sound for a truly undisturbed slumber.

What We Like
Restorative sleep design
Intuitive climate control
Noise-reducing hood material
Includes sleep mask and earplugs
Buying Guide Image
Editor's Notes

During our Mammut mummy sleeping bag research, we found 17 Mammut mummy sleeping bag products and shortlisted 9 quality products. We collected and analyzed 3,350 customer reviews through our big data system to write the Mammut mummy sleeping bags list. We found that most customers choose Mammut mummy sleeping bags with an average price of £264.75.

The Mammut mummy sleeping bags are available for purchase. The top 9 picks range in price from a low of £106.00 to a high of £384.00, find the one that fits your budget.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.