ultralight sleeping bag reviews

The Western Mountaineering Summerlite sleeping bag.

Review: Western Mountaineering Summerlite Sleeping Bag

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Western Mountaineering Summerlite sleeping bag.
Western Mountaineering Summerlite sleeping bag

Ultralight Sleeping Bag
Western Mountaineering Summerlite
$420, 1 lb. 3 oz. (regular)
Sizes: short, regular, and long
moosejaw.com

The lightest sleeping bags for summer camping—meaning for temperatures from the 50s Fahrenheit to around freezing—rarely include features like a hood, a draft tube, and a two-way, full-length zipper. The Summerlite has all of those while weighing in at barely north of a pound and remaining true to its 32-degree rating. On a weeklong, late-March trip in southern Utah, I slept in it for nights of car camping and backpacking in the Dirty Devil River canyon, when the low dipped into the high 20s, and found it warm, spacious enough, and supremely packable.

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Gear Review: MontBell UL Super Spiral Down Hugger #3 Bag

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MontBell UL Super Spiral Down Hugger #3

Sleeping Bag
MontBell UL Super Spiral Down Hugger #3
$339, 1 lb. 7 oz. (regular), $359, 1 lb. 9 oz. (long)
Sizes: regular and long
Montbell.us

We tend to buy a sleeping bag based primarily on temperature rating, price, and weight, ignoring a key characteristic that will affect how well you sleep in it as much as its warmth: comfort. I’ve slept in many bags—especially ultralight models—that are cut so narrowly to shave grams that they felt like a straitjacket. Montbell’s UL Super Spiral Down Hugger #3 provides superior comfort through a simple but unique feature: elasticized baffles that stretch and contract with your movements. The bag effectively acts like a second, much thicker and warmer layer of skin, moving wherever you move without inhibiting you at all.

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Gear Review: Marmot Plasma 30 Sleeping Bag

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Marmot Plasma 30

Sleeping Bag
Marmot Plasma 30
$419, 1 lb. 6 oz. (regular)
Sizes: regular (6’), long (6’6”)
marmot.com

I don’t have room in my life for a heavy, bulky sleeping bag. If I’m backpacking with my young kids, carrying most of our food and gear, or loaded down for a multi-day climbing trip, I need to cut ounces everywhere possible. If I’m backpacking without my family, I want to go as light as possible. The newest bag to raise the superlight bar—or lower it, if you will—is the Plasma 30. I used it recently for five nights on the Ptarmigan Traverse in Washington’s North Cascades, and earlier this summer camping at Idaho’s City of Rocks and rafting Oregon’s Grand Ronde River.

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