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Fleece Bag

ALPS Mountaineering Fleece Bag

$31.46 $44.95 30% Off

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Mummy Liner

ALPS Mountaineering Mummy Liner

$24.71 $32.95 25% Off

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Castelli Fall/Winter

Ethereal Bivy

Mountain Hardwear Ethereal Bivy

$199.96 $249.95 20% Off

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Dry.Q Bivy Sack

Mountain Hardwear Dry.Q Bivy Sack

$147.96 $184.95 20% Off

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Compression Sack

ALPS Mountaineering Compression Sack

from $16.22 $24.95 35% Off

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Cyclone Compression Sack

ALPS Mountaineering Cyclone Compression Sack

from $18.82 $28.95 35% Off

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How to Choose Between Sleeping Bags

Three and four-season sleeping bags come in two varieties: down insulated and synthetic insulated. Each insulation offers a distinct set of advantages and disadvantages, so it’s important to do some research before you pick your sleeping bag. Temperatures, weather, and sleeping style are all considerations when making your choice.

Down
Down is the lightest, warmest, and most packable form of insulation. However, down loses some of its insulating properties when wet and tends to be more expensive than synthetic insulation. Shop Down Sleeping Bags
Related Content How to Choose the Right Camping Sleep System
Synthetic
Synthetic insulation can better handle wet conditions and usually has a lower price tag than down, but it's also bulkier and heavier. Take this into consideration when planning long trips. Shop Synthetic Sleeping Bags
Related Content How to Take Care of Your Sleeping Bag

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