NEMO Sonic 0 Sleeping Bag 800-Fill Down Mountaineering Bag

NEMO Sonic 0 Sleeping Bag is a unisex mummy sleeping bag designed for mountaineering and cold-weather use. It uses 800-fill-power hydrophobic down and recycled shell and liner fabrics. In addition, its ISO-tested lower limit is 0°F, while the tested comfort rating is 14°F.
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800-Fill-Power Down

nThe bag uses 800-fill-power hydrophobic down insulation. Moreover, the supplied specifications identify the down as Responsible Down Standard certified and PFC-free.
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Chevron Baffle Construction

nChevron-shaped baffles divide the down into separate sections. Therefore, the design helps manage the position and distribution of the insulation throughout the bag.
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Thermo Gills

nUpdated Thermo Gills use a multi-stage zipper system. As a result, users can release additional heat when sleeping in milder conditions.
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Draft Collar and Tubes

nThe sleeping bag includes a redesigned draft collar and draft tubes. In addition, the offset main zipper forms part of the insulated closure system.
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Toester Footbox

nThe Toester footbox combines a waterproof and breathable construction with a layer of synthetic insulation. Furthermore, this design creates a barrier between the down insulation and moisture from tent-wall condensation.
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Recycled Fabrics

nThe shell uses recycled nylon, while the lining uses recycled polyester. According to the supplied information, these fabrics are Global Recycled Standard certified and bluesign approved.
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Mummy Shape

nThe Sonic uses a mummy-style shape. Meanwhile, stretch construction around the knees provides additional movement space for different sleeping positions.
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ISO Temperature Ratings

nThe supplied ISO test results list a 0°F (-18°C) lower-limit rating and a 14°F comfort rating. However, temperature ratings are comparison guidelines rather than guarantees of individual sleeping comfort.
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Three Size Options

nThe supplied specifications list Small, Regular, and Long versions. They accommodate listed user heights of up to 66, 72, and 78 inches respectively.
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Key Specifications

n• Brand: NEMO
n• Model: Sonic 0
n• Product type: Mountaineering sleeping bag
n• Shape: Mummy
n• Gender: Unisex
n• Insulation: Down
n• Fill power: 800
n• Down type: Hydrophobic
n• Tested lower limit: 0°F / -18°C, ISO
n• Tested comfort rating: 14°F, ISO
n• Shell: Recycled nylon
n• Lining: Recycled polyester
n• Zipper location: Left
n• Small weight: 3 lbs 2 oz
n• Regular weight: 3 lbs 4 oz
n• Long weight: 3 lbs 9 oz
n• Small fill weight: 1 lb 11 oz
n• Regular fill weight: 1 lb 12 oz
n• Long fill weight: 1 lb 13 oz
n• Maximum user height: 66 / 72 / 78 inches by size
n• Compressed volume: 8.9 / 9.6 / 9.9 liters by size