Tired of sacrificing warmth for pack weight on rugged trails? Meet your new trail essential: the Cosmic Synthetic 0 Sleeping Bag. Engineered specifically for backpackers who demand lightweight performance without compromise, this mummy bag delivers reliable three-season comfort where it counts. Its secret? Advanced CirroLoft synthetic insulation traps heat efficiently while staying incredibly compressible—stuff it down to just 17×11 inches yet wake up cozy at 18°F (-8°C).
Crafted for eco-conscious adventurers, the PFC-free DWR coating protects against damp without harmful chemicals, while the soft 380T nylon taffeta shell feels luxurious against your skin after miles of hiking. Finally, a sleeping bag that gets trail life: enjoy extra wiggle room in the natural-fit footbox, stash essentials like your headlamp securely in the interior pocket, and trust the durable construction through rocky campsites. Weighing in at just 4 lbs 6 oz (Regular size fits up to 6′), it’s the perfect balance of warmth-to-weight ratio for thru-hikers and weekend warriors alike. Sleep soundly knowing you’ve packed smart—light enough for summit pushes, warm enough for crisp mountain nights. Your lightest, most responsible sleep system awaits.
Core Specs: ISO Comfort 18°F / Limit 5°F Fits up to 6′ (Long: 6’6″) PFC-Free DWR
Materials: CirroLoft Insulation 380T Nylon Taffeta Shell Includes Compression Sack
