Kelty Cosmic 0ºF Down Sleeping Bag

Trapezoidal baffling sounds a lot like geometry class, but don't worry, we won't test ya. Kelty's Cosmic 0ºF Down Sleeping Bag employs this unique baffing style for better thermal efficiency in its lightweight and cozy 550 fill down. A three-season superstar, the Cosmic also boasts an internal zippered pocket to stash your goodies, a spacious footbox so you can wiggle your little piggies, and an environmentally-friendly CO- and PFC-free DWR treatment to keep the bag from wetting out when the skies get grumpy.

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