The Chilkoot 0° Sleeping Bag is a high-performance ultralight system engineered for extreme cold-weather hunting and alpine expeditions. Designed with a strong focus on warmth-to-weight efficiency and compressibility, it delivers reliable insulation and comfort in demanding late-season conditions while maintaining a compact pack size for backcountry travel.
Features & Specifications:
- Total weight: 2 lb 10 oz for ultralight performance
- Insulation: 850+ fill power HyperDRY™ 90/10 grey goose down (29.1 oz fill)
- Shell: 15D Pertex® Quantum fabric for wind and water resistance
- Complex differential cut construction for consistent loft and heat retention
- Articulated footbox for improved comfort and thermal efficiency
- Insulated neck baffle with elastic and magnetic closure system to seal heat
- 2/3 length reverse coil YKK zipper with anti-snag design
- Vertical pintuck baffle construction to reduce cold spots
- Fits users up to 6’5″ with optimized shoulder, hip, and footbox dimensions
- Includes compression sack and storage sack for efficient packing and storage












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