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The North FaceKeltyMSRSierra DesignsGregory

Cosmic Sleeping Bag: 20 Degree Synthetic

Kelty Cosmic Sleeping Bag: 20 Degree Synthetic

$124.95

4 5 (2)

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Advanced Bivy

Outdoor Research Advanced Bivy

$319.95

4 5 (16)

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Alpine Bivy

Outdoor Research Alpine Bivy

$239.95

4 5 (10)

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Bipod Bivy Bag

Black Diamond Bipod Bivy Bag

$269.95

4 5 (12)

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Mistral Sleeping Bag: 20 Degree Synthetic

Kelty Mistral Sleeping Bag: 20 Degree Synthetic

$99.95

4 5 (5)

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Reactor Thermolite Sleeping Bag Liner

Sea To Summit Reactor Thermolite Sleeping Bag Liner

$56.95

4 5 (23)

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Silk Sleep Sack - Double

Grand Trunk Silk Sleep Sack - Double

$99.95

5 5 (1)

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Adaptor Coolmax Travel Liner

Sea To Summit Adaptor Coolmax Travel Liner

$47.95

5 5 (3)

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Mummy Liner

ALPS Mountaineering Mummy Liner

from $23.16 $28.95 20% Off

4 5 (5)

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Thermal Bivvy

Adventure Medical Thermal Bivvy

$26.95 $29.95 10% Off

4 5 (6)

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MHW Camp

Lite Sleeping Bag: 45 Degree Synthetic

Selk'bag USA, Inc. Lite Sleeping Bag: 45 Degree Synthetic

$69.27 $98.95 30% Off

4 5 (1)

  • purple
  • blue
  • gray
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Silk Travel Sheet

Cocoon Silk Travel Sheet

$71.95 $79.95 10% Off

4 5 (11)

  • orange
  • green
  • more
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Egyptian Cotton Mummy Liner

Cocoon Egyptian Cotton Mummy Liner

$31.96 $39.95 20% Off

4 5 (6)

  • beige
  • blue
  • more
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Silk Double Travelsheet

Cocoon Silk Double Travelsheet

$97.46 $129.95 25% Off

5 5 (4)

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Fleece Sleeping Bag Liner

Kelty Fleece Sleeping Bag Liner

$58.46 $64.95 10% Off

4 5 (2)

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Woobie Sleeping Bag: 30 Degree Synthetic - Kids'

Kelty Woobie Sleeping Bag: 30 Degree Synthetic - Kids'

$38.47 $64.95 41% Off

5 5 (3)

  • green
  • pink
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Trash Dry Sack

Sea To Summit Trash Dry Sack

$34.95

4 5 (8)

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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