Down Sleeping Bags 

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Women's Protect Down Bag -21C
Women's down sleeping bag

bluesign® PRODUCT | Responsible down | PFC-free DWR | Fair Wear | Recycled

£260£520–50%
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Women's Perform Down Bag -10C
Women's down sleeping bag

bluesign® PRODUCT | Responsible down | PFC-free DWR | Fair Wear | Recycled

£185£370–50%
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Perform Down Bag -7C
Down sleeping bag

bluesign® PRODUCT | Responsible down | PFC-free DWR | Fair Wear | Recycled

£185£370–50%
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Relax Down Bag 0C
Down sleeping bag

bluesign® PRODUCT | Responsible down | PFC-free DWR | Fair Wear | Recycled

£160£320–50%
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Comfort Down Bag -5C
Comfortable down sleeping bag for cold nights

bluesign® PRODUCT | PFC-free DWR | Recycled down | Fair Wear | Recycled

£300
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Protect Down Bag -18C
Down sleeping bag

bluesign® PRODUCT | Responsible down | PFC-free DWR | Fair Wear | Recycled

£520
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Women's Relax Down Bag -2C
Women's down sleeping bag

bluesign® PRODUCT | Responsible down | PFC-free DWR | Fair Wear | Recycled

£320
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Women's Comfort Down Bag -18C
Warm down sleeping bag for a deep sleep in the deep cold 

bluesign® PRODUCT | PFC-free DWR | Recycled down | Fair Wear | Recycled

£197.50£395–50%
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Comfort Down Bag -15C
Warm down sleeping bag for a deep sleep in the deep cold 

bluesign® PRODUCT | PFC-free DWR | Recycled down | Fair Wear | Recycled

£197.50£395–50%
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Women's Comfort Down Bag -7C
Comfortable down sleeping bag for cold nights

bluesign® PRODUCT | PFC-free DWR | Recycled down | Fair Wear | Recycled

£150£300–50%

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Stay warm and cozy on cold, frosty nights in our Down Sleeping Bags. Available in specific sizes for Men and Women, and designed to meet the needs of a variety of situations, environments, and outdoor activities.


Browse our diverse range of styles, materials and weights to find the perfect Down Sleeping Bag for your next adventure. 

Explore our selection of ultra-insulated, technical Sleeping Bags for nights in extreme conditions. These durable options are perfect for mountain expeditions in high-altitude places, with innovative features and shapes to optimize warmth and minimize bulk. The down filling means that you can compress your technical Sleeping Bag into a small package, making them the perfect companion for multi-day hikes and climbs. 

For casual camping and nights in huts, browse our collection of spacious, lightly insulated Down Sleeping Bags. Designs based on natural sleeping positions allow you to move freely and enhance your overall comfort. Two-way zippers give you greater control over your temperature regulation, meaning you can quickly cool down if you find yourself overheating. Big, soft hoods add an extra layer of coziness, and protect you from wind or drafts. 

Whatever you’re planning – whether you're camping, backpacking, or mountaineering, Mammut's Down Sleeping Bags will keep you warm, comfortable, and ready for the next day's adventure. Gear up today and experience the difference!