Kelty Cosmic Down 20 Degree Sleeping Bag -- Remember the trapezoid from high school geometry? Turns out, this funky ol' shape is ideal for helping sleeping bags retain heat. Kelty's trapezoidal baffle construction is just one of the reasons the Cosmic Down is still their favorite ...Kelty Cosmic Down 20 Degree Sleeping Bag -- Remember the trapezoid from high school geometry? Turns out, this funky ol' shape is ideal for helping sleeping bags retain heat. Kelty's trapezoidal baffle construction is just one of the reasons the Cosmic Down is still their favorite three-season superstar.
You'll also love the expanded natural-fit footbox for happier feet, zippered stash pocket and fully recycled fabrics and PFAS-free DWR treatment. The Cosmic Down is the total package.