Cosmic 20 Degree 550 Down Long RH Sleeping Bag

About the Kelty Cosmic Down 20° Long

What is the Kelty Cosmic 20 Deg 550 Down Long RH good for?

The Kelty Cosmic 20° 550 Down Long RH Sleeping Bag is a three-season essential, designed for warmth, comfort, and packability on the trail. Featuring trapezoidal baffle construction for enhanced thermal efficiency, this bag traps heat effectively while maintaining a lightweight feel.

How will some of the key features of the Kelty Cosmic 20 Deg 550 Down Long RH enhance my experience?

Key features include 550-fill down insulation for lightweight warmth, a fully recycled, buttery-soft shell with PFAS-free DWR for durability, and an expanded footbox for extra comfort. A zippered internal stash pocket keeps essentials close, while the full draft tube and collar help retain heat.

Why choose the Kelty Cosmic 20 Deg 550 Down Long RH?

Choose the Kelty Cosmic 20° for its superior warmth, sustainable design, and comfortable fit—so you can sleep soundly under the stars.

• Trapezoidal Baffles – Provides enhanced thermal efficiency for comfort & warmth
• 550 Fill Down – Lofty, lightweight, warm and highly packable for backpacking trips
• Recycled Shell & Liner Fabrics – Buttery-soft and durable. Eco-friendly, fully-recycled shell and liner fabrics with PFAS-free DWR
• Thermal Efficiency – Full draft tube and collar retain heat and enhance comfort
• Anti-Snag Zipper – With dual locking sliders for venting and temperature regulation
• Footbox – Expanded, natural fit footbox = more room to wiggle your toes
• Additional Features – Stuff sack; zippered internal stash pocket to keep smaller essentials close to hand

The Lowdown

• Innovative trapezoidal baffle construction = thermal efficiency
• Lightweight and warm 550 fill down
• Environmental and health-friendly C0 and PFC-free DWR fabric
• Zippered internal stash pocket
• Zipper draft tube with anti-snag 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

• Best Use: 3-Season Camping | Backpacking | Trekking
• Insulation: 550FP Duck Down
• Fabric: 20D 400T nylon shell with DWR | 50D 300T polyester liner

• Comfort: 32°F | 0°C
• Limit: 21°F | -6°C
• Extreme (Risk Range): 11°F | -24°C

Cosmic 20 Degree 550 Down Long RH Size Chart