Stone Glacier
Sold by the people who make it — no third-party seller in between.
Manufacturer list price (MSRP)
$399.00
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The Grumman Down Jacket delivers exceptional packability, warmth, and protection for the backcountry hunter in a truly ultralight package. Built with a Pertex® Quantum shell and insulated with HyperDRY® 850+ Fill Power DWR-treated goose down, it remains one of the lightest and most technically advanced down hunting jackets available.
Against every one of the insulated jackets in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
The lightest of the insulated jackets on record is Zpacks Down Jacket at 6.1 oz — 212 g less and $24.00 less.
The cheapest is Katabatic Gear Tarn Down Jacket (Men's) at $279.00 — $120.00 less.
Side by side on weight, list price and cost per ounce.
What fill power measures, why the 900-fill Rab Mythic Ultra weighs almost twice as much as the 800-fill Outdoor Research Helium, and how to choose between down and synthetic. A comparison of published maker specs for seven insulated jackets.
Winter warmth comes from a system: stacked pads, insulation that copes with damp, a regulated stove and traction, built from products in our catalogue.
Manufacturer list price (MSRP)
$399.00