Hyperdown JacketSitka GearSold by Sitka Gear

Sitka Gear

SITKA HyperDown Jacket

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

Sitka’s Warmest

Puffer jacket, built for the

Light Packable

Design for ounce-counting big-game hunters

800-fill Primaloft

Gold down blend insulation

Insulation Resists

Clumping in wet conditions

27d Ripstop

Face fabric for added toughness

$500.00
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SKU: 600402

Overview

Built for hunters who need serious warmth without unnecessary bulk, this jacket is aimed at cold-weather big-game pursuits where packability matters. Its 800-fill PrimaLoft Gold down blend is designed to help maintain loft in wet conditions, while the 27D ripstop face fabric adds a durable outer shell for demanding use. The cut is made to layer over other clothing and an optics harness, making it a practical choice for glassing, moving, and staying ready when temperatures drop.

Why Hunters Choose the Sitka Gear

Light Packable

For ounce-counting big-game hunters on

800-fill Primaloft

Gold down blend provides substantial

Insulation Resists

Clumping in wet conditions to

27d Ripstop

Face fabric adds durability for

Cut Fit

Over layers and an optics

Key Features

  • Sitka’s warmest puffer jacket, built for the coldest hunts.
  • Light and packable design for ounce-counting big-game hunters.
  • 800-fill PrimaLoft Gold down blend insulation.
  • Insulation resists clumping in wet conditions.
  • 27D ripstop face fabric for added toughness.
  • Cut to fit over layers and an optics harness.

Best Used For

  • Cold-weather big-game hunters needing a light, packable insulation layer for severe conditions
  • Hunters who count ounces and want warmth without carrying bulky outerwear
  • Users layering over other garments and an optics harness for quick deployment
  • Wet-weather hunters needing insulation that maintains loft in damp conditions
  • Serious backcountry hunters prioritizing packability for cold hunts

Specifications

Face Fabric27D ripstop
FitCut to fit over other layers and optics harness
Insulation800-fill PrimaLoft Gold down blend
PackableLight and packable
Warmth ClaimWarmest puffer jacket Sitka makes
Wet Condition PerformanceResists clumping in wet conditions

Pros

  • Light and packable for ounce-counting big-game hunters on cold hunts
  • 800-fill PrimaLoft Gold down blend provides substantial warmth
  • Insulation resists clumping in wet conditions to help maintain warmth
  • 27D ripstop face fabric adds durability for harsh conditions
  • Cut to fit over layers and an optics harness for rapid deployment

Considerations & Trade-offs

  • Designed as an over-layer, so the fit is intended to accommodate other layers and an optics harness rather than wear close to the body.
  • Built for cold hunts and maximum warmth, which can make it more jacket than you need in milder conditions.
  • The light, packable design is a trade-off against bulkier insulation systems, so it is aimed at hunters prioritizing warmth-to-weight and carry convenience.
  • The 27D ripstop face fabric adds toughness for the category, but it is still a lightweight outer fabric and should be treated accordingly in rough conditions.

Suggested Comparisons

  • Insulated hunting jackets
  • Packable cold-weather outerwear
  • Layering jackets for big-game hunting
  • Puffer jackets

Suggested Accessories

  • Insulated midlayer
  • Optics harness
  • Packable stuff sack
  • Cold-weather gloves

Frequently Asked Questions

What kind of hunter is the SITKA HyperDown Jacket designed for?

It is built for the ounce-counting big-game hunter on cold hunts, with a focus on warmth, light packability, and quick deployment over layers and an optics harness.

What insulation does the HyperDown Jacket use?

It uses an 800-fill PrimaLoft Gold down blend.

Does the insulation handle wet conditions?

The product description says the insulation resists clumping in wet conditions, which is intended to help maintain warmth when conditions get damp.

Can this jacket be worn over other layers and an optics harness?

Yes. It is cut to fit over your other layers and an optics harness for rapid deployment.

What does the product data say about the outer fabric?

The jacket uses a 27D ripstop face fabric. No additional material details are provided in the source data.