GeneralShanghai Garment GroupSold by Skre Gear

Shanghai Garment Group

Ptarmigan 850 Ultra Down Jacket

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Premium 850+

Fill power water-resistant goose down

Lightweight Design

At 16 oz for layering

100% Nylon

Exterior with anti-tear finish

Teflon Shield+

DWR and water-repellent down treatment

Anatomical Shape

Interior elastic sleeve cuffs

$188.49
List Price: $289.99
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SKU: ptarmigan-ultra-down-summit

Overview

Built for late-season hunts, this insulation layer is designed to help maintain warmth when conditions turn cold and demanding. It pairs a lightweight 16 oz build with premium 850+ fill power water-repellent goose down, making it a practical choice for hunters who want warmth without unnecessary bulk in a layering system. The jacket also includes an anatomical shape, interior elastic sleeve cuffs, adjustable cord locks at the waist and hood, glove-friendly zipper pulls, and a compact stuff sack for easier carry and storage. With a 100% nylon exterior, anti-tear finish, Teflon Shield+ DWR, and YKK #3 zippers, it is a purpose-driven piece for serious cold-weather use.

Why Hunters Choose the Shanghai Garment Group

Lightweight 16

Oz construction supports easy layering

850+ Fill

Power water-resistant goose down provides

100% Nylon

Exterior includes an anti-tear finish

Adjustable Cord

Locks on the waist and

Interior Elastic

Sleeve cuffs and glove-friendly zipper

Key Features

  • Premium 850+ fill power water-resistant goose down insulation
  • Lightweight design at 16 oz for layering
  • 100% nylon exterior with anti-tear finish
  • Teflon Shield+ DWR and water-repellent down treatment
  • Anatomical shape with interior elastic sleeve cuffs
  • Adjustable cord locks at the waist and hood
  • Compact stuff sack and glove-friendly zipper pull tabs

Best Used For

  • Late-season hunters needing a lightweight insulation layer for cold, demanding conditions.
  • Layering systems where warmth without extra bulk is a priority.
  • Hunters who want an adjustable hood and waist for a closer, more controlled fit.
  • Glove-wearing users who need easy-to-manage zipper pull tabs in the field.
  • Backcountry trips where compact packing and low carried weight matter.

Specifications

Down TypePremium Water-Resistant Goose Down
Exterior FinishAnti-tear Finish
Fabric Details100% Nylon Exterior
Fill Power850+ Fill Power Down
Long Descriptionthe ptarmigan ultra down-hunting jacket was born from the idea of warmth without weight. Maintaining body temperature is critical when confronting the elements head-on, and this is the reason we created the ptarmigan jacket. Weighing in at a mere 16 oz, and created using premium 850 water-repellent goose down, the ptarmigan jacket is an exceptional insulation piece for your layering kit.
Product FeaturesAnatomical Shape; Interior Elastic Sleeve Cuffs; Adjustable Cord Locks on the Waist & Hood; Glove-Friendly Pull Tabs on Zippers; Compact Stuff Sack
Recommended UseLate Season
Short Descriptionthe ptarmigan ultra down-hunting jacket was born from the idea of warmth without...
Special TechnologyTeflon Shield+ DWR
Water RepellentWater Repellent
Weight16 oz
ZippersYKK #3 Zippers

Pros

  • Lightweight 16 oz construction supports easy layering in cold conditions.
  • 850+ fill power water-resistant goose down provides high-loft insulation.
  • 100% nylon exterior includes an anti-tear finish for added durability.
  • Adjustable cord locks on the waist and hood help fine-tune fit.
  • Interior elastic sleeve cuffs and glove-friendly zipper tabs add practical utility.
  • Compact stuff sack makes the jacket easier to pack and carry.

Considerations & Trade-offs

  • Designed as an insulation layer for late-season use, so it is not a standalone solution for all hunting conditions.
  • The lightweight build and compact stuff sack make it easy to pack, but that also means it is focused on layering rather than heavy-duty outerwear.
  • The jacket uses water-repellent down and a DWR-treated nylon exterior, which helps with moisture, but it is still a down piece and not a substitute for a fully waterproof shell.
  • Fit and coverage are shaped for hunting movement with elastic cuffs and adjustable waist and hood, so sizing and layering choices may affect how it wears over other garments.

Suggested Comparisons

  • Insulated hunting jacket
  • Down insulation layer
  • Late-season outerwear
  • Packable hunting insulation

Suggested Accessories

  • Insulated base layer
  • Waterproof shell jacket
  • Gloves
  • Compact stuff sack

Frequently Asked Questions

What is the Ptarmigan 850 Ultra Down Jacket designed for?

It is described as a late-season hunting jacket built around warmth without weight, making it an insulation layer for cold conditions.

What insulation does this jacket use?

The jacket uses premium 850 water-repellent goose down, listed as 850+ fill power down.

How much does the jacket weigh?

The listed weight is 16 oz.

What materials and finishes are listed for the outer fabric?

The long description lists a 100% nylon exterior with an anti-tear finish and Teflon Shield+ DWR.

What features are included for fit and packability?

Listed features include an anatomical shape, interior elastic sleeve cuffs, adjustable cord locks on the waist and hood, glove-friendly zipper pull tabs, a compact stuff sack, and YKK #3 zippers.