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.
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- 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
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- 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
- 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
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- Insulation: 550FP Duck Down
- Shell material: 20D 400T Nylon
- Liner material: 50D 300T Polyester
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