The North Face Cat's Meow 20 Degree Sleeping Bag

The North Face Cat's Meow 20 Degree Sleeping Bag

$151.16 - $167.16

 
Reg: $188.95 - $208.95
Up to 28% off
(19)
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Mountain Hardwear Lamina 0 Sleeping Bag

Mountain Hardwear Lamina 0 Sleeping Bag

$219.95 - $239.95

 
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Mountain Hardwear Lamina 20 Sleeping Bag

Mountain Hardwear Lamina 20 Sleeping Bag

$199.95 - $219.95

 
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Big Agnes Encampment 15 Degree Sleeping Bag

Big Agnes Encampment 15 Degree Sleeping Bag

$159.95 - $179.95

(10)
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The North Face Aleutian 3S 20 Degree Sleeping Bag

The North Face Aleutian 3S 20 Degree Sleeping Bag

$87.16 - $103.16

 
Reg: $108.95 - $128.95
Up to 32% off
(1)
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The North Face Dark Star 0 Degree Sleeping Bag

The North Face Dark Star 0 Degree Sleeping Bag

$215.16 - $223.16

 
Reg: $268.95 - $278.95
Up to 23% off
 
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The North Face Women's Cat's Meow 20 Degree Sleeping Bag

The North Face Women's Cat's Meow 20 Degree Sleeping Bag

$151.16 - $159.16

 
Reg: $188.95 - $198.95
Up to 24% off
(2)
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Therm-A-Rest Centari 0 Sleeping Bag

Therm-A-Rest Centari 0 Sleeping Bag

$167.96 - $175.96

 
Reg: $209.95 - $219.95
Up to 24% off
 
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Mountain Hardwear Lamina 20F Sleeping Bag

Mountain Hardwear Lamina 20F Sleeping Bag

$139.99 - $149.99

 
Reg: $179.95 - $189.95
Up to 26% off
(19)
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The North Face Snow Leopard 0 Degree Sleeping Bag

The North Face Snow Leopard 0 Degree Sleeping Bag

$175.16 - $183.16

 
Reg: $218.95 - $228.95
Up to 23% off
(3)
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The North Face Youth Aleutian 3S Bx 20 Degree Sleeping Bag

The North Face Youth Aleutian 3S Bx 20 Degree Sleeping Bag

$79.16

 
Reg: $98.95
20% off
 
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Mountain Hardwear Pinole 20 Sleeping Bag

Mountain Hardwear Pinole 20 Sleeping Bag

$129.95 - $139.95

 
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Mountain Hardwear Extralamina 20F Sleeping Bag

Mountain Hardwear Extralamina 20F Sleeping Bag

$159.99

 
Reg: $199.95 - $209.95
24% off
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Marmot Trestles 15F Sleeping Bag

Marmot Trestles 15F Sleeping Bag

$108.95 - $118.95

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Mountain Hardwear UltraLamina 32 Sleeping Bag

Mountain Hardwear UltraLamina 32 Sleeping Bag

$239.95 - $254.95

 
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Therm-A-Rest Saros 20 Sleeping Bag

Therm-A-Rest Saros 20 Sleeping Bag

$151.96 - $159.96

 
Reg: $189.95 - $199.95
Up to 24% off
 
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Mountain Hardwear UltraLamina 45 Sleeping Bag

Mountain Hardwear UltraLamina 45 Sleeping Bag

$219.95 - $234.95

 
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Mountain Hardwear UltraLamina 32F Sleeping Bag

Mountain Hardwear UltraLamina 32F Sleeping Bag

$179.99

 
Reg: $229.95
22% off
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Mountain Hardwear Women's Laminina 20 Sleeping Bag

Mountain Hardwear Women's Laminina 20 Sleeping Bag

$199.95 - $219.95

 
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Mountain Hardwear Women's UltraLamina 32F Sleeping Bag

Mountain Hardwear Women's UltraLamina 32F Sleeping Bag

$169.99 - $179.99

 
Reg: $219.95 - $229.95
Up to 26% off
(1)
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Big Agnes Gunn Creek 30 Degree Sleeping Bag

Big Agnes Gunn Creek 30 Degree Sleeping Bag

$154.95 - $164.95

(1)
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Marmot Cloudbreak 30 Sleeping Bag

Marmot Cloudbreak 30 Sleeping Bag

$178.95 - $188.95

 
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Synthetic Sleeping Bags

 

Synthetic sleeping bags are ideal for campers and outside-sleepers not overly concerned with weight. If you're going on a 5 day paddle instead of a backpacking trip, you're going to want to look into this whole synthetic fill thing. A synthetic fill sleeping bag can retain its warmth when it's wet. Synthetic bags also super fast drying, because moisture gets trapped between synthetic fibers, not inside them. Laying a wet synthetic bag out in the sun for an hour or less will usually dry it out pretty well.

That said, synthetic fill sleeping bags tend to weigh more than down bags of the same warmth rating. If you don't need a terribly warm bag, you can get away with a synthetic bag that's still really light. But if you need an alpine bag for winter temperatures, a synthetic bag might be heavy and bulky. Synthetic bags can be less expensive than down, so as you can see, there are definitely pros to choosing a synthetic sleeping bag.

Look out for the temperature rating when you're choosing a synthetic sleeping bag. Temperature ratings tend to be on the lower limit of the EN Test rating, so a 30 degree bag might not keep you toasty in 30 degree weather. Other factors influence how warm you'll be like your sleeping pad, baselayer, gender, hydration level, and whether you just generally tend to be warm or cold when you sleep. So, I always tell people that when they're picking a bag, regardless of its fill material, they should go with a temperature rating that is lower than the temperature they're planning to sleep in. If nights are going to dip to 40 degrees, you could need a 30 or 25 degree bag. You might need an even warmer one. Remember, you can always vent a bag, but you can't add extra insulation.

If you're trying to choose a sleeping bag, check out this sleeping bag buying guide that I wrote.

 

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