Mammut Relax Down Bag
Best spacious sleeping bag for side sleepers seeking maximum comfort.
This bag prioritizes a quiet, restorative night's sleep with noise-dampening hood materials and an included sleep kit. Its anatomical shape and central zipper offer a comfortable, customizable experience for those who value recovery as much as the adventure itself.
$259.00
at
Mammut
More Relax options
Who it's for
- Side sleepers who feel restricted by traditional narrow mummy bags
- Light sleepers sensitive to the crinkling sounds of synthetic fabrics
- Campers seeking easy climate adjustment and effortless bag access
Who should skip it
- Ultralight backpackers prioritizing the smallest possible pack size
- Extreme cold-weather explorers who require absolute heat retention
- Budget-conscious campers looking for a basic entry-level sleeping solution
Performance breakdown
Sleep comfort
Anatomical shaping and quiet hood materials prioritize deep, uninterrupted rest.
Temperature regulation
Central zipper access makes venting heat effortless during warmer nights.
Weight efficiency
Solid warmth-to-weight ratio, though not the lightest option for ultralight trekking.
Draft protection
Insulated zipper covering effectively eliminates cold spots along the closure.
Sustainability
Recycled materials and PFC-free treatment reflect a responsible manufacturing approach.
Foot box ergonomics
Revised shape provides ample room for natural foot positioning while sleeping.
Key Specs
Weight
910 g
Temperature Rating
-2C (28 F)
Fill Material
90% Grey duck down, 10% Grey duck feather
Main Material
48% Polyamide, 52% Recycled Polyester
Lining Material
100% Recycled Polyester
Zipper Location
Center
Zipper Type
2-way
Water Resistance
PFC-free DWR
Sleeping Bag Shape
Anatomical
Has Draft Collar
Yes
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