he Cosmic Down is 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.

• 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

All Sizes

• Temperature Rating: 40°F / 4°C
• Bag Shape: Semi-Rectangular

Regular

• Fits to:6′ 0″ / 183 cm
• Weight: 1.63 lb. / .74 kg
• Fill weight: 9.1 oz. / 259 g
• Stuff Sack Size: 7″ x 11″ / 18 x 29 cm
• Stuff Sack Volume: 423 cu in / 7380 cu 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: 1.75 lb. / .79 kg
• Fill weight: 10 oz. / 284 g
• Stuff Sack Size: 7″ x 11″ / 18 x 29 cm
• Stuff Sack Volume: 423 cu in / 7380 cu cm
• Length: 84 in / 214 cm
• Shoulder Circumference: 64 in / 163 cm
• Hip Circumference: 60 in / 152 cm
• Foot Circumference: 52 in / 131 cm

Materials

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

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 Cosmic Down 40 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.

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

Regular

• ISO Extreme Rating: 15° / -9°C
• ISO Limit Rating: 40° / 4°C
• ISO Comfort Rating: 48° / 9°C
• Fits to: 6′ 0″ / 183 cm
• Weight: 1 lb. 12 oz. / .73 kg
• Fill weight: 9.14 oz. / 259 g
• Stuffed size: 7″ x 10″ / 18 x 25 cm

Long

• ISO Extreme Rating: 15° / -9°C
• ISO Limit Rating: 40° / 4°C
• ISO Comfort Rating: 48° / 9°C
• Fits to: 6′ 6″ / 198 cm
• Weight: 1 lb. 15 oz. / .88 kg
• Fill weight: 10 oz. / 284 g
• Stuffed size: 7″ x 11″ / 18 x 28 cm
• Insulation: 550FP Duck Down
• Shell material: 20D 400T Nylon
• Liner material: 50D 300T Polyester