Jump to: Our Verdict / Features / Specifications
Kelty's 2024 Cosmic 40 Sleeping Bag is perfect for three-season adventures. Its 550-fill-down insulation keeps you warm, while the expanded foot box provides ample room for movement. The fully recycled fabrics emphasise Kelty's commitment to sustainability.
Kelty says:
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.
Our Verdict
Kelty’s 2024 Cosmic 40 Down Sleeping Bag is good for three-season adventures. The 550-fill-down insulation ensures warmth while keeping the bag lightweight and compressible.
The expanded natural-fit foot box provides ample room for your feet to move and reduces discomfort during the night. The fully recycled shell and liner fabrics, treated with PFAS-free DWR, emphasise Kelty’s commitment to environmentally friendly materials without compromising durability or performance.
The zipped internal stash pocket is ideal for keeping small essentials close. The full draft tube and collar retain heat and enhance comfort, while the quad-stitch anti-snag zipper ensures smooth operation. Dual locking sliders offer ventilation versatility, allowing for easy adjustments depending on the temperature.
Weighing just 752 grams for the regular size and 814 grams for the long size, the Cosmic 40 is lightweight and easy to pack, complete with a stuff sack for convenience. Its semi-rectangular shape balances warmth and space, making it a reliable choice for various outdoor conditions.
- Reviewed by Basecamp Gear
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
- Temperature Rating: 40°F / 4°C
- Bag Shape: Semi-Rectangular
Regular
- Weight: 752g
- 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
- Weight: 814g
- 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
Material & Construction
- Insulation:550 Fill Down
- Fabric Primary/Body: Recycled 20D Nylon Taffeta
- Fabric Secondary: Recycled 50D Polyester Taffeta
