Gear
Grumman Down Jacket
Backcountry hunting and cold glassing sessions
Specification researchedEditorial draft · not indexed
Topic summary
Backcountry hunting and cold glassing sessions
Key takeaways
- Packable 850+ down
- 13.6 ounces
- lifetime warranty
Intended uses
Backcountry hunting and cold glassing sessions
Verification notes
Evidence: specification researched. Specifications verified from manufacturer data. Last verified July 14, 2026. Editorial draft — currently excluded from search indexing.
Best for
- Backcountry hunting and cold glassing sessions
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Verified specifications
- Materials
- 15D Pertex Quantum shell, 850+ fill-power down
- Weight
- 13.6 oz (386 g)
- Country of manufacture
- 🇺🇸 United States
- Key features
- Packable 850+ down
- 13.6 ounces
- lifetime warranty
Warranty and repair information: contact Stone Glacier directly for the most current terms. Stone Glacier support
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Data sources & verification
- Source: Official web verification
- Manufacturer: Stone Glacier
- Last verified: 7/14/2026