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Adaptor Coolmax Travel Liner

Sea To Summit Adaptor Coolmax Travel Liner

$47.95

5 5

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Premium Stretch Knit Expander Sleeping Bag Liner

Sea To Summit Premium Stretch Knit Expander Sleeping Bag Liner

from $29.95

5

  • purple
  • blue
  • green
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Wicking Mummy Liner

Kelty Wicking Mummy Liner

$34.95

2 5

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Cotton Sleep Sack

Grand Trunk Cotton Sleep Sack

$29.95

5

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Whisper Sleeping Bag Liner

Western Mountaineering Whisper Sleeping Bag Liner

from $39.95

5

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Mummy Liner

ALPS Mountaineering Mummy Liner

$26.36 $32.95 20% Off

4 5

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Fleece Bag

ALPS Mountaineering Fleece Bag

$31.46 $44.95 30% Off

4 5

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Thermal Bivvy

Adventure Medical Thermal Bivvy

$26.95 $29.95 10% Off

4 5

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Egyptian Cotton Mummy Liner

Cocoon Egyptian Cotton Mummy Liner

$29.96 $39.95 25% Off

4 5

  • beige
  • blue
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Travelsheet Couplers

Cocoon Travelsheet Couplers

$31.17 $47.95 35% Off

3 5

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Burton Fall Collection

100% Cotton Sleeping Bag Liner

Rab 100% Cotton Sleeping Bag Liner

$37.76 $41.95 10% Off

2 5

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Cotton Travel Sheet - Kids'

Cocoon Cotton Travel Sheet - Kids'

$25.87 $36.95 30% Off

5

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Fleece KidBag: 60 Degree Synthetic

Cocoon Fleece KidBag: 60 Degree Synthetic

$29.22 $44.95 35% Off

5

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Selk'bag Lite - Kids'

Selk'bag USA, Inc. Selk'bag Lite - Kids'

$39.48 $78.95 50% Off

5

  • purple
  • blue
  • gray
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eVent Compression Dry Sack

Sea To Summit eVent Compression Dry Sack

from $27.95

4 5

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eVAC Dry Sack

Sea To Summit eVAC Dry Sack

from $29.95

4 5

  • blue
  • gray
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Ultra-Sil Compression Sack

Sea To Summit Ultra-Sil Compression Sack

from $26.95

5 5

  • yellow
  • green
  • blue
  • more
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Ultra-Sil eVent Compression Dry Sack

Sea To Summit Ultra-Sil eVent Compression Dry Sack

from $29.95

5 5

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Airporter Lockable Zipper Bag

Osprey Packs Airporter Lockable Zipper Bag

from $35.95

5 5

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Ultralight Ditty Sacks - Set Of 3

Outdoor Research Ultralight Ditty Sacks - Set Of 3

$27.95

4 5

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Durable Stuff Sack

Outdoor Research Durable Stuff Sack

from $25.95

4 5

  • green
  • blue
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Storm Sack Dry Bags

SealLine Storm Sack Dry Bags

from $26.95

4 5

  • blue
  • orange
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Ultralight Down Backpackers Kit

Outdoor Research Ultralight Down Backpackers Kit

$48.95

5 5

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Ultra-Sil Padded Soft Cell

Sea To Summit Ultra-Sil Padded Soft Cell

from $29.95

5 5

  • purple
  • green
  • blue
  • gray
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Dry Ditty Sacks - Set of 3

Outdoor Research Dry Ditty Sacks - Set of 3

$29.95

3 5

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Ultra-Sil Dry Sack

Sea To Summit Ultra-Sil Dry Sack

$32.95

4 5

  • orange
  • purple
  • blue
  • green
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Ultra-Sil Nano Dry Sack

Sea To Summit Ultra-Sil Nano Dry Sack

$26.95

5 5

  • green
  • orange
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UltraLight Compression Sack

Outdoor Research UltraLight Compression Sack

from $25.96 $32.45 20% Off

4 5

  • gray
  • green
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Trash Dry Sack

Sea To Summit Trash Dry Sack

from $29.95

4 5

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Zip Utility Pouch - 3 Pack

Grand Trunk Zip Utility Pouch - 3 Pack

$39.95

5

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Slacker Packer Compression Drysack

Granite Gear Slacker Packer Compression Drysack

$49.95

5

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Compression Sack

ALPS Mountaineering Compression Sack

$26.21 $34.95 25% Off

5 5

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Air Compressor Sack

Granite Gear Air Compressor Sack

from $25.16 $27.95 10% Off

5 5

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eVent Uberlight CTF3 Dry Sack

Granite Gear eVent Uberlight CTF3 Dry Sack

from $37.76 $41.95 10% Off

4 5

  • blue
  • green
  • orange
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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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