Stone Glacier Chilkoot 0°
Stone Glacier · Sleeping Systems · Late season & cold-weather hunts
This review is based on specs, design analysis, and consolidated hunter feedback.
Stone Glacier named this bag after Chilkoot Pass for a reason — it's built for legitimately cold conditions. The Chilkoot 0 is an 850+ fill down bag rated to zero degrees, with DWR-treated down that resists moisture better than untreated alternatives.
Specs Snapshot
- Temperature Rating: 0°F / -18°C
- Fill: 850+ fill power goose down
- Weight: 3 lbs 2 oz (Regular)
- Fill Weight: 32 oz
- Shell: 15D Ripstop Nylon
- Treatment: DWR-treated down
Why It Made the List
Late-season hunting means cold camps. Hunters report that the Chilkoot's 0°F rating is honest — genuinely warm at zero, not just surviving. The DWR-treated down is important for hunters because condensation in cold tents and damp conditions are a reality. Untreated down bags lose significant loft when damp. The Chilkoot is designed to resist that, maintaining insulation performance in the conditions hunters actually face.
Design Notes
Hunters report sleeping comfortably in a base layer and socks at temps down to -5°F — no need to pile on extra clothing. Common feedback notes frost forming on the outside from condensation overnight, but the DWR-treated down maintaining its loft inside. That's the real test for a cold-weather hunting bag: sustained insulation performance despite moisture exposure from breathing and cold-tent condensation.
Best For
Late-season hunters, anyone camping in temps from 0-25°F regularly, and Alaska/northern hunters who need reliable warmth in legitimately cold conditions.
Tradeoffs
At 3 lbs 2 oz, it's not the lightest 0° bag available (Western Mountaineering makes lighter ones at this temp rating). The mummy cut is snug — if you're broad-shouldered or toss around at night, it can feel restrictive. The price is premium, but that's true of any quality 0° down bag.
What Experienced Hunters Commonly Look For Here
Hunters evaluating the Stone Glacier Chilkoot 0° typically weigh a few key factors based on how they plan to use it:
- ▶Weight-to-performance ratio — Based on its 3 lbs 2 oz (Regular) and mid-weight build, this sleeping systems is commonly evaluated against alternatives in the same class for how much capability it delivers per ounce.
- ▶Intended use match — Designed for late season & cold-weather hunts, experienced hunters typically confirm whether their primary hunting style aligns with the product's design intent before committing.
- ▶Long-term durability — For gear at this price point, durability over multiple seasons is a commonly cited consideration.
- ▶Brand track record — Stone Glacier's reputation in the hunting community is commonly factored into purchasing decisions, particularly for warranty support and resale value.
How to Decide
If you hunt in conditions where overnight temps regularly drop below 20°F, a 0° bag is appropriate. The Chilkoot is a strong choice at this rating. If you mostly hunt in milder conditions (30°F+), a 15° or 20° bag like the PEAX Solace will save weight and pack smaller.