Remember the trapezoid from high school geometry? Turns out, this funky ol’ shape is ideal for helping sleeping bags retain heat. Our trapezoidal baffle construction is just one of the reasons the Cosmic Down is still our favorite three-season superstar. We 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.

• Trapezoidal baffle construction provides enhanced thermal efficiency
• Lofty, lightweight and warm 550 Fill Down
• Buttery-soft and durable, fully-recycled shell and liner fabrics with PFAS-free DWR
• Zippered internal stash pocket keeps your favorite devices close at hand
• Full draft tube and collar retain heat and enhance comfort
• Quad-stitch anti-snag zipper makes getting in and out easy
• Dual locking sliders for venting versatility
• Expanded, natural fit footbox = more room to wiggle your toes
• Stuff sack included, for quick and easy departures

• Temperature Rating: 20°F / -7°C
• Bag Shape: Semi-Rectangular

Regular

• Fits to:6′ 0″ / 183 cm
• Weight: 2 lb. 7 oz.
• Fill weight: 16.4 oz. / 464 g
• Stuff Sack Size: 8″ x 13″ / 20 x 33 cm
• Length: 78 in / 199 cm
• Shoulder Circumference:62 in / 158 cm
• Hip Circumference: 58 in / 147 cm
• Foot Circumference:46 in / 117 cm

Long

• Fits to: 6′ 6″ / 198 cm
• Weight: 2 lb 11 oz
• Fill weight: 18.8 oz. / 533 g
• Stuff Sack Size: 8″ x 14″ / 20 x 36 cm
• Length: 84 in / 214 cm
• Shoulder Circumference: 64 in / 163 cm
• Hip Circumference: 60 in / 152 cm
• Foot Circumference: 52 in / 131 cm

Material

• Insulation: 550 Fill Down
• Fabric Primary/Body: Recycled 20D Nylon Taffeta
• Fabric Secondary: Recycled 50D Polyester Taffeta

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 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.

• Get the best out of your new Sleeping Bag click here for sleeping bag care instructions.
• 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

Short

• ISO Extreme Rating: -11° / -24°C
• ISO Limit Rating: 21° / -6°C
• ISO Comfort Rating: 32° / 0°C
• Fits to: 5′ 6″ / 167 cm
• Weight: 2 lb. 7 oz. / 1.1 kg
• Fill weight: 14.64 oz. / 415 g
• Stuffed size: 7″ x 13″ / 18 x 33 cm

Regular

• 78″ L x 31″ W
• ISO Extreme Rating: -11° / -24°C
• ISO Limit Rating: 21° / -6°C
• ISO Comfort Rating: 32° / 0°C
• Fits to: 6′ 0″ / 183 cm
• Weight: 2 lb. 10 oz. / 1.19 kg
• Fill weight: 16.37 oz. / 464 g
• Stuffed size: 8″ x 13″ / 20 x 33 cm

Long

• 84″ L x 32″ W
• ISO Extreme Rating: -11° / -24°C
• ISO Limit Rating: 21° / -6°C
• ISO Comfort Rating: 32° / 0°C
• Fits to: 6′ 6″ / 198 cm
• Weight: 2 lb. 15 oz. / 1.33 kg
• Fill weight: 18.8 oz. / 533 g
• Stuffed size: 8″ x 14″ / 20 x 36 cm