The 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.

Features

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

Specifications

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
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 28 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

COSMIC DOWN 40 2025

Q & A