Sierra Designs Sleeping Bag from $140 to $209, from Amazon.com

The Solar Flare from Sierra Designs is probably suited to the greatest variety of climates and pursuits for women. Rated to 15 degrees, but with a two way Snag Free zipper to allow comfortable ven... more

The Solar Flare from Sierra Designs is probably suited to the greatest variety of climates and pursuits for women. Rated to 15 degrees, but with a two way Snag Free zipper to allow comfortable venting, the Solar Flare redefines a girl's best friend. less

Sierra Designs couldn't have given the Men's Wicked Light 45 Degree Down Sleeping Bag a more appropriate name--it barely tips the scales with a 22oz weight. This isn't some feature-strippe­d bag. Si... more

Sierra Designs couldn't have given the Men's Wicked Light 45 Degree Down Sleeping Bag a more appropriate name--it barely tips the scales with a 22oz weight. This isn't some feature-strippe­d bag. Sierra Designs added a full-length zipper for ease of use and draw cord around the collar to keep out the cold air. The Wicked Light Sleeping Bag's lofty 800-fill down insulation provides incredible warmth for its weight, so you don't have to choose between a warm night and a light pack. less

The Solar Flare from Sierra Designs is probably suited to the greatest variety of climates and pursuits for women. Rated to 15 degrees, but with a two way Snag Free zipper to allow comfortable ven... more

The Solar Flare from Sierra Designs is probably suited to the greatest variety of climates and pursuits for women. Rated to 15 degrees, but with a two way Snag Free zipper to allow comfortable venting, the Solar Flare redefines a girl's best friend. less

Sierra Designs couldn't have given the Men's Wicked Light 45 Degree Down Sleeping Bag a more appropriate name--it barely tips the scales with a 22oz weight. This isn't some feature-strippe­d bag. Si... more

Sierra Designs couldn't have given the Men's Wicked Light 45 Degree Down Sleeping Bag a more appropriate name--it barely tips the scales with a 22oz weight. This isn't some feature-strippe­d bag. Sierra Designs added a full-length zipper for ease of use and draw cord around the collar to keep out the cold air. The Wicked Light Sleeping Bag's lofty 800-fill down insulation provides incredible warmth for its weight, so you don't have to choose between a warm night and a light pack. less

A 45-degree bag like the Arrow Rock needs to adaptsummer heat waves in Monument Valley or Fourth-of-July snow at Conundrum Hot Springs, you've got to be comfortable. The Arrow Rock 45 gets it done ... more

A 45-degree bag like the Arrow Rock needs to adaptsummer heat waves in Monument Valley or Fourth-of-July snow at Conundrum Hot Springs, you've got to be comfortable. The Arrow Rock 45 gets it done with Flex construction for comfort and thermal efficiency, and continuous baffles so you can shuffle down to the top in cold weather or to the sides in the heat. If there's a more comfortable, versatile bag out there, please let us know! less

Flex is back! Thermally efficient and comfortable, it is designed into the mid portion of the bag, where you move most. PrimaLoft Eco offers superior synthetic insulation, with an earth friendly tw... more

Flex is back! Thermally efficient and comfortable, it is designed into the mid portion of the bag, where you move most. PrimaLoft Eco offers superior synthetic insulation, with an earth friendly twist. Made of recycled plastic and soda bottles, it is durable, lightweight and weather resistant. The Jacket Hood guarantees warmth down to 30 degrees and Foot Box Venting for regulates temperature. less

Leave a natural wonder or two for the next generation by choosing a Dj vu for your sleepy time. Made from green-friendly materials like EcoSensor recycled shell material, Climashield Green post-con... more

Leave a natural wonder or two for the next generation by choosing a Dj vu for your sleepy time. Made from green-friendly materials like EcoSensor recycled shell material, Climashield Green post-consumer recycled insulation, and all-natural Cocona liner fabric, the Dj vu is as earth-conscious as it gets. Warm, functional, and comfortable, with the added peace of righteous sleep, the Dj vu sets the industry standard for forward-thinkin­g slumber. less

One of our stand-out price-to-perfor­mance bags, the Cochise keeps you toasty to 15 degrees, even in damp conditions thanks to its Climashield XP insulation. We style out the Cochise with design det... more

One of our stand-out price-to-perfor­mance bags, the Cochise keeps you toasty to 15 degrees, even in damp conditions thanks to its Climashield XP insulation. We style out the Cochise with design details found on bags twice the price - Pad Locks keep you warm atop your sleeping pad; Snag Free Zipper Tracks won't force you to fumble in the middle of the night; and a pillow pocket improves comfort. An ergonomic hood cinches down to retain heat and the full-length draft tube won't give you cold sp... less

After developing the first woman-specific bag in 1995, you'd think we'd have taken a break. Nope! Now we're combining our groundbreaking research with cutting-edge materials like Drizone waterproof... more

After developing the first woman-specific bag in 1995, you'd think we'd have taken a break. Nope! Now we're combining our groundbreaking research with cutting-edge materials like Drizone waterproof-brea­thable membrane. Protect your lofty, warm 600-series down with award-winning Drizone and sleep better for it. All the luxurious details are still in the mix, too, including our popular tricot-lined foot box. See why Sierra Designs has become the leading provider of happy slumber for women in th... less

Even the largest backcountry freaks can sleep comfortably in the Sierra Designs Paul Bunyan Sleeping Bag. Climashield synthetic insulation retains its insulation value even when wet, and the genero... more

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