ultralight sleeping bag reviews

The Sierra Designs Nitro Quilt.

Review: Sierra Designs Nitro Ultralight Backpacking Quilt

Ultralight Backpacking Quilt Sierra Designs Nitro Quilt 35/20 35-degree: $250, 1 lb. 5 oz. 20-degree: $280, 1 lb. 11 oz. Women’s 20-degree: $340, 1 lb. 11 oz. One size in each model sierradesigns.com For some backpackers, taking a quilt instead of a sleeping bag for multiple nights in the backcountry may seem risky—what if it’s not warm enough? In reality, …

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Feathered Friends Hummingbird UL 30 sleeping bag.

Review: Feathered Friends Hummingbird and Egret UL Sleeping Bags

Ultralight Sleeping Bags Feathered Friends Hummingbird UL and Egret UL 30/20 $549, 1 lb. 5 oz. (men’s regular 30-degree) Sizes: men’s regular and long, women’s small and medium featheredfriends.com Sleeping bags often look very much alike—until you spend a night inside one and carry it in a backpack. That’s when the differences emerge, and besides price, those differences generally fall …

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Feathered Friends Snowbunting EX 0 sleeping bag.

Review: Feathered Friends Snowbunting EX 0 Sleeping Bag

Winter Sleeping Bag
Feathered Friends Snowbunting EX 0
$679, 2 lbs. 12 oz. (regular)
Sizes: regular and long ($644)
featheredfriends.com

On chilly nights of camping, nothing’s more popular than a fat sleeping bag. When sleeping outside in winter—or wintry temperatures—the Snowbunting EX 0 has become my bag of choice. Most recently, I slumbered peacefully and quite comfortably through three December nights without a tent outside a backcountry yurt in Idaho’s Boise Mountains—one of those nights dropping into the single digits Fahrenheit, and another featuring several hours of snow falling intermittently directly onto my bag, inside which I remained quite warm and dry. Super warm and well built, at a moderate weight, this bag functions well, depending on the user, for trips in temps from around its 0-degree rating to around freezing.

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Therm-a-Rest Hyperion 32F/0C sleeping bag.

Review: Therm-a-Rest Hyperion 32F Sleeping Bag

Ultralight Sleeping Bag
Therm-a-Rest Hyperion 32F/0C
$490, 1 lb. 1 oz. (regular)
Sizes: small, regular, long
backcountry.com

Why spend more money on a sleeping bag? Logical question, of course. But for any backpacker eager to shave a pound or more and significant gear volume from his or her backpack, an ultralight down bag offers one of the best ways of realizing that objective—as well as delivering maximum warmth per ounce. And one of the lightest and most compact bags in this category, Therm-a-Rest’s Hyperion 32F/0C, measured up in every way on a six-day backpacking trip in the Grand Canyon in May; a six-day float trip down Idaho’s Middle Fork of the Salmon River in July; a three-day hike on the Teton Crest Trail in August; a five-day, late-summer hike in the Wind River Range; and on chilly, rainy spring nights that pushed the bag’s limits camping in May in Idaho’s City of Rocks National Reserve.

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The Sierra Designs Nitro 800 20-degree sleeping bag.

Review: Sierra Designs Nitro 20-Degree Sleeping Bag

Three-Season Sleeping Bag
Sierra Designs Nitro 20-Degree
$320, 1 lb. 15 oz. (regular)
Sizes: men’s regular and long, women’s regular
sierradesigns.com

Choosing between sleeping bags can sometimes feel like getting the names of identical twins right—they look an awful lot alike. With bags, you can compare certain key specs: temperature rating, type and amount of insulation (or fill), total weight, and, of course, the price. Using those metrics, the new Sierra Designs Nitro bags look like a pretty good value, so I slept in the 20-degree Nitro 800 while camping on some cool and windy May nights at Idaho’s City of Rocks National Reserve, and on a three-night, 39-mile backpacking trip in Wyoming’s Wind River Range in mid-September, to see if its performance matches its impressive numbers.

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