Choosing an ultra-lite sleeping bag can be a chore now-a-days.

FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews

The Big Agnes Horsethief is a mummy-shaped down sleeping bag with three major features: no down under sleeper, a sleeve on the bottom to hold a ground pad, and a built-in stow sack to create a pillow by inserting clothing.

FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews

Her Embrace team developed a small sleeping bag with an interior pouch for a wax-filled heating pad.

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Conclusion: The Horsethief is a high-quality bag with appealing innovations that other sleeping bag models did not possess.

FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews

There are hooks on one wall to hang a sleeping bag and a spot on the opposite wall for a fold-down table and foot restraints so astronauts can use a laptop computer.

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If you want a light-weight sleeping accommodation for warmer weather without giving up luxury, the Horsethief is a good bag for you.

FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews

Inside, keep your body off the ice or ground (the Inuit put their sleeping blankets on top of a bed of sticks and reeds) and create heat-trapping "loft" (it's what keeps you warm in a sleeping bag) by layering a few small blankets or big trash bags, with leaves or crumpled newspapers in between.

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REI, the outdoor equipment company, said tent and sleeping bag sales are up this season, particularly when it comes to larger tents designed for three- and four-person families.

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