Remember the trapezoid from 10th-grade geometry? Turns out, this funky ol’ shape is ideal for helping sleeping bag baffles retain heat. The trapezoidal baffle construction improves on our best-selling Cosmic 20 sleeping bag—and it’s just one of the reasons the Kelty Cosmic Down 20 is still our favorite three-season superstar. We also love the natural-fit foot box for happier feet, and a PFC-free water-repellent coating for a healthier environment.
Features
Innovative trapezoidal baffle construction = thermal efficiency
Lightweight and warm 550 fill down
Environmental and health friendly C0 and PFC-free DWR fabrics
Zippered internal stash pocket for headlamp, cell phone or actual… stash
Buttery-soft and durable 20D Nylon shell fabric
Zipper draft tube with anti-snag zipper design makes it easy to get in and out
Dual slider for ventilation with locking zippers
Natural fit spacious footbox = more room to wiggle your toes
Comes with stuff sack for quick departures
Specifications
All Sizes
ISO Extreme Rating: -11° / -24°C
ISO Limit Rating: 21° / -6°C
ISO Comfort Rating: 32° / 0°C
Temperature Rating: 20° / -7°C
Bag Shape: Mummy
Short
Fits to: 5' 6" / 167 cm
Weight: 2.34 lb. / 1.06 kg
Fill weight: 14.64 oz. / 415 g
Stuff Sack Size: 7" x 13" / 18 x 33 cm
Length: 72 in / 183 cm
Shoulder Circumference: 58.5 in / 148 cm
Hip Circumference: 56 in / 142 cm
Foot Circumference: 38 in / 97 cm
Regular
Fits to: 6' 0" / 183 cm
Weight: 2.52 lb. / 1.14 kg
Fill weight: 16.37 oz. / 464 g
Stuff Sack Size: 8" x 13" / 20 x 33 cm
Length: 78 in / 198 cm
Shoulder Circumference: 62 in / 158 cm
Hip Circumference: 58 in / 147 cm
Foot Circumference: 40 in / 102 cm
Long
Fits to: 6' 6" / 198 cm
Weight: 2.78 lb. / 1.26 kg
Fill weight: 18.8 oz. / 533 g
Stuff Sack Size: 8" x 14" / 20 x 36 cm
Length: 84 in / 213 cm
Shoulder Circumference: 64 in / 163 cm
Hip Circumference: 60 in / 152 cm
Foot Circumference: 42 in / 107 cm
Materials
Insulation: 550FP Duck Down
Shell material: 20D 400T Nylon
Liner material: 50D 300T Polyester
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Kelty Cosmic Down 20 Sleeping Bag
$219.99
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