Use the Slumberjack Boundary Men's 40 Degree Polyester Taffeta Mummy Sleeping Bag to stay warm and cozy in the outdoors. This sleeping bag has a polyester taffeta lining and a polyester shell, which is light and comfortable. Featuring a mummy shape, it is made for optimal warmth-to-weight ratio, since it is cut closely so there isn't extra fabric, cutting down on the weight and making it easier to carry. It has Slumberloft™ synthetic insulation, which uses polyester fibers to create a high level of insulation. This sleeping bag comes with a stuff sack, which will keep you organized. It can withstand 40°F temperatures, keeping you warm on chilly summer nights.
- Stuff sack stores sleeping bags compactly
- Polyester taffeta lining is naturally UV-resistant
- Polyester shell is durable and colorfast
- Mummy shape has a tailored cut which can be too cramped for some
- Polyester shell is not so durable
- Stuff sack can damage the sleeping bag's filling if used for too long