With just enough insulation for warm weather, the REI Co-op Helio Sack 50 sleeping bag is great for travel, backpacking and bike touring. Or, slip it inside another bag on cold nights.

backpacking-sleeping-bags

Packing a lot of heat into a light package, the Marmot Helium 15 down sleeping bag is built for 3-season backpacking and mountaineering treks. It's great for cold sleepers in much warmer temps, too.

backpacking-sleeping-bags

A warm and lightweight choice, the women's Mountain Equipment Helium 800 sleeping bag is perfect for backpacking and trekking in cold, dry conditions.

backpacking-sleeping-bags

Whether on K2 or Denali, the Mountain Equipment Iceline sleeping bag provides extreme mountaineering performance for the coldest of conditions.

backpacking-sleeping-bags

Warm up to subzero adventures with the expedition-quality The North Face Inferno -20 sleeping bag. Down insulation, thermal reflection and targeted waterproofing help you minimize heat loss.

backpacking-sleeping-bags

With water-resistant down insulation and thermal reflection, The North Face Inferno 0 sleeping bag helps you drift off to sleep when the night gets cold—and shockcord helps keep you on your pad.

backpacking-sleeping-bags

With a women-specific, tapered rectangle shape and extra insulation at your feet, the Sea to Summit Journey JoII sleeping bag keeps you warm with water-resistant, RDS-certified 650-fill-power down.

backpacking-sleeping-bags

When your focus is on packing light and staying warm, the minimalist Marmot Lithium 0 is your sleeping bag. It keeps you comfortable on extra chilly days with its premium, water-resistant goose down.

backpacking-sleeping-bags

Featuring a 3-in-1 modular design made up of 2 down-filled bags, the Big Agnes Lost Ranger 3N1 15 sleeping bag delivers adaptable comfort for 3-season camping, backpacking and everything in between.

backpacking-sleeping-bags

With 2 ultralight down-filled bags that combine to make a comfortable, versatile sleep system, the modular Big Agnes Lost Ranger UL 3N1 15 sleeping bag easily adapts to the weather and your needs.

backpacking-sleeping-bags

A lightweight, packable sleeping bag built for spring and summer backpacking trips and travels, the men's Mountain Equipment Lunar I sleeping bag helps you get out and explore.

backpacking-sleeping-bags

A lightweight, packable sleeping bag built for spring and summer backpacking trips and travels, this men's Mountain Equipment Lunar I long-length sleeping bag helps you get out and explore.

backpacking-sleeping-bags

A lightweight, packable sleeping bag built for spring and summer backpacking trips and travels, the Mountain Equipment Lunar I women's sleeping bag helps you get out there and explore.

backpacking-sleeping-bags

A lightweight, packable sleeping bag built for spring and summer backpacking trips and travels, the women's long-length Mountain Equipment Lunar I helps get you outdoors to explore.

backpacking-sleeping-bags