Kelty Cosmic 0 Degree 550 Down Sleeping Bag

Get Schooled in the Geometry of Comfort

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 sleeping bag—and it’s just one of the reasons the Kelty Cosmic Down 0 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
•     Insulation: 550FP Duck Down
•     Shell material: 20D 400T Nylon
•     Liner material: 50D 300T Polyester

Source: Imported

Regular

    ISO Extreme Rating: -34° / -37°C
    ISO Limit Rating: 4° / -16°C
    ISO Comfort Rating: 17° / -8°C
    Fits to: 6′ 0″ / 183 cm
    Weight: 4 lb. 9 oz. / 2.07 kg
    Fill weight: 39.51 oz. / 1120 g
    Stuffed size: 10″ x 19″ / 25 x 48 cm

Long

    ISO Extreme Rating: -34° / -37°C
    ISO Limit Rating: 4° / -16°C
    ISO Comfort Rating: 17° / -8°C
    Fits to: 6′ 6″ / 198 cm
    Weight: 4 lb. 13 oz. / 2.18 kg
    Fill weight: 41.55 oz. / 1178 g
    Stuffed size: 10″ x 19″ / 25 x 48 cm