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Questions & Answers
Is it goose down? Or primo loft? Expert Answer

These jackets are insolated with 600 fill power down with Kryptek Defender, which is specifically designed to provide lightweight exceptional warmth even in damp conditions.

by Nick B., Gear Expert, September 17, 2021
Customer Reviews
Most Recent Reviews
Is it real? by Dave, Verified Owner, December 17, 2025
I'm not sure if its an authentic Kryptek jacket. I have had several Cirius Down jackets over the past few years directly from Kryptek, and this one seems to have some small differences.
Most Recent Reviews
Great midweight jacket by Gene, Verified Owner, March 8, 2025
This is one of the best jackets I have ever owned. It's warm, water resistant and blocks the wind. Another plus, it's packable as it compresses down to next to nothing and is very light weight. Great Jacket ...
Most Recent Reviews
Krptek Cirius Down Jacket by JN, Verified Owner, March 6, 2025
Great product. Cool pattern and comfortable. Keeps me warm in sub-zero temperatures.
Most Recent Reviews
Favorite coat by Mattco, Verified Owner, February 25, 2025
Love this jacket. Exactly what I wanted. Opticsplanet had the best price and prompt shipping, as per usual.
Most Recent Reviews
I have no clue by Mary, January 18, 2025
Nice but too small going to return and get larger size
Read All 5 Reviews
Men's Clothing Size:
2XL
Sleeve Length:
Long Sleeve
Apparel Fit:
Regular
Gender:
Male
Age Group:
Adults
Color:
Highlander
Application:
Hunting
Fabric/Material:
100% Polyester
Jacket Style:
Down Insulated
Insulation:
600 fill power down with Kryptek Defender
Condition:
New

Code: 2GB-AM1-CIRCUS-18CIRJH7

MPN: 18CIRJH7

UPC: 843232071369

Product No Longer Available

Product Info for Kryptek Cirius Down Jacket - Men's

Super warm Cirius down jacket provides backcountry hunters with a packable insulation layer for added warmth during long periods of stationary activities. Cirius is treated with Kryptek Defender, a highly-water resistant treatment that offers an extra level of moisture protection for down garments exposed to wet environments. Kryptek Defender helps prevent down from clumping and losing its loft, maintaining the water repellency for the life of the garment and maximizing its ability to keep you warm and comfortable. Specifically designed to provide lightweight exceptional warmth even in damp conditions, Cirius stays drier longer and maintains loft better than other down jackets, making it the perfect insulated jacket for a variety of unpredictable weather conditions.image

Features of Kryptek Cirius Down Jacket - Men's

  • DWR
  • 600 fill power down with Kryptek Defender
  • Zippered hand warmer pockets
  • Designed to fit under shells
  • Elastic bonded cuffs and hem

Package Contents:

  • Kryptek Cirius Down Jacket - Men's

Men's Apparel

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Related Products to Kryptek Cirius Down Jacket - Men's

Kryptek Cirius Down Jacket - Men's Unavailable & Discontinued Models

List of Unorderable Models

  • Kryptek Cirius Down Jacket - Men's, Highlander, 2XL, 18CIRJH7 , MPN: 18CIRJH7 , UPC: 843232071369 , Code: 2GB-AM1-CIRCUS-18CIRJH7
  • Kryptek Cirius Down Jacket - Men's, Highlander, M, 18CIRJH4 , MPN: 18CIRJH4 , UPC: 843232071338 , Code: 2GB-AM1-CIRCUS-18CIRJH4
  • Kryptek Cirius Down Jacket - Men's, Highlander, L, 18CIRJH5 , MPN: 18CIRJH5 , UPC: 843232071345 , Code: 2GB-AM1-CIRCUS-18CIRJH5
  • Kryptek Cirius Down Jacket - Men's, Highlander, XL, 18CIRJH6 , MPN: 18CIRJH6 , UPC: 843232071352 , Code: 2GB-AM1-CIRCUS-18CIRJH6
  • Kryptek Cirius Down Jacket - Men's, Medium, Typhon, 18CIRJT4 , MPN: 18CIRJT4 , UPC: 843232071390 , Code: 2GB-AM1-CIRCUS-18CIRJT4
  • Kryptek Cirius Down Jacket - Men's, Highlander, S, 18CIRJH3 , MPN: 18CIRJH3 , UPC: 843232071321 , Code: 2GB-AM1-CIRCUS-18CIRJH3
  • Kryptek Cirius Down Jacket - Men's, Obskura Skyfall, L, 18CIRJSF5 , MPN: 18CIRJSF5 , UPC: 843573180089 , Code: 2GB-AM1-CIRCUS-18CIRJSF5
  • Kryptek Cirius Down Jacket - Men's, Obskura Skyfall, XL, 18CIRJSF6 , MPN: 18CIRJSF6 , UPC: 843573180096 , Code: 2GB-AM1-CIRCUS-18CIRJSF6
  • Kryptek Cirius Down Jacket - Men's, Obskura Skyfall, M, 18CIRJSF4 , MPN: 18CIRJSF4 , UPC: 843573180072 , Code: 2GB-AM1-CIRCUS-18CIRJSF4
  • Kryptek Cirius Down Jacket - Men's, 2XL, Typhon, 18CIRJT7 , MPN: 18CIRJT7 , UPC: 843232071420 , Code: 2GB-AM1-CIRCUS-18CIRJT7
  • Kryptek Cirius Down Jacket - Men's, Highlander, 3XL, 18CIRJH8 , MPN: 18CIRJH8 , UPC: 843232071376 , Code: 2GB-AM1-CIRCUS-18CIRJH8
  • Kryptek Cirius Down Jacket - Men's, Obskura Skyfall, 3XL, 18CIRJSF8 , MPN: 18CIRJSF8 , UPC: 843573180119 , Code: 2GB-AM1-CIRCUS-18CIRJSF8
  • Kryptek Cirius Down Jacket - Men's, ALTITUDE, 3XL, 18CIRJA8 , MPN: 18CIRJA8 , UPC: 843573177065 , Code: 2GB-AM1-CIRCUS-18CIRJA8
  • Kryptek Cirius Down Jacket - Men's, Obskura Skyfall, S, 18CIRJSF3 , MPN: 18CIRJSF3 , UPC: 843573180065 , Code: 2GB-AM1-CIRCUS-18CIRJSF3
  • Kryptek Cirius Down Jacket - Men's, Obskura Transitional, S, 18CIRJTS3 , MPN: 18CIRJTS3 , UPC: 843573190743 , Code: 2GB-AM1-CIRCUS-18CIRJTS3
  • Kryptek Cirius Down Jacket - Men's, Typhon, L, 18CIRJT5 , MPN: 18CIRJT5 , UPC: 843232071406 , Code: 2GB-AM1-CIRCUS-18CIRJT5
  • Kryptek Cirius Down Jacket - Men's, Typhon, XL, 18CIRJT6 , MPN: 18CIRJT6 , UPC: 843232071413 , Code: 2GB-AM1-CIRCUS-18CIRJT6
  • Kryptek Cirius Down Jacket - Men's, Obskura Transitional, 2XL, 18CIRJTS7 , MPN: 18CIRJTS7 , UPC: 843573190781 , Code: 2GB-AM1-CIRCUS-18CIRJTS7
  • Kryptek Cirius Down Jacket - Men's, ALTITUDE, S, 18CIRJA3 , MPN: 18CIRJA3 , UPC: 843573177010 , Code: 2GB-AM1-CIRCUS-18CIRJA3
  • Kryptek Cirius Down Jacket - Men's, ALTITUDE, L, 18CIRJA5 , MPN: 18CIRJA5 , UPC: 843573177034 , Code: 2GB-AM1-CIRCUS-18CIRJA5
  • Kryptek Cirius Down Jacket - Men's, Highlander, XS, 18CIRJH2 , MPN: 18CIRJH2 , UPC: 843573181024 , Code: 2GB-AM1-CIRCUS-18CIRJH2
  • Kryptek Cirius Down Jacket - Men's, Obskura Transitional, M, 18CIRJTS4 , MPN: 18CIRJTS4 , UPC: 843573190750 , Code: 2GB-AM1-CIRCUS-18CIRJTS4
  • Kryptek Cirius Down Jacket - Men's, Typhon, 3XL, 18CIRJT8 , MPN: 18CIRJT8 , UPC: 843232071437 , Code: 2GB-AM1-CIRCUS-18CIRJT8
  • Kryptek Cirius Down Jacket - Men's, Obskura Transitional, XS, 18CIRJTS2 , MPN: 18CIRJTS2 , UPC: 843573178635 , Code: 2GB-AM1-CIRCUS-18CIRJTS2
  • Kryptek Cirius Down Jacket - Men's, Obskura Skyfall, XS, 18CIRJSF2 , MPN: 18CIRJSF2 , UPC: 843573180058 , Code: 2GB-AM1-CIRCUS-18CIRJSF2
  • Kryptek Cirius Down Jacket - Men's, ALTITUDE, XL, 18CIRJA6 , MPN: 18CIRJA6 , UPC: 843573177041 , Code: 2GB-AM1-CIRCUS-18CIRJA6
  • Kryptek Cirius Down Jacket - Men's, ALTITUDE, 2XL, 18CIRJA7 , MPN: 18CIRJA7 , UPC: 843573177058 , Code: 2GB-AM1-CIRCUS-18CIRJA7
  • Kryptek Cirius Down Jacket - Men's, Obskura Transitional, 3XL, 18CIRJTS8 , MPN: 18CIRJTS8 , UPC: 843573190798 , Code: 2GB-AM1-CIRCUS-18CIRJTS8
  • Kryptek Cirius Down Jacket - Men's, Obskura Transitional, L, 18CIRJTS5 , MPN: 18CIRJTS5 , UPC: 843573190767 , Code: 2GB-AM1-CIRCUS-18CIRJTS5
  • Kryptek Cirius Down Jacket - Men's, Obskura Transitional, XL, 18CIRJTS6 , MPN: 18CIRJTS6 , UPC: 843573190774 , Code: 2GB-AM1-CIRCUS-18CIRJTS6
  • Kryptek Cirius Down Jacket - Men's, Typhon, S, 18CIRJT3 , MPN: 18CIRJT3 , UPC: 843232071383 , Code: 2GB-AM1-CIRCUS-18CIRJT3
  • Kryptek Cirius Down Jacket - Men's, ALTITUDE, M, 18CIRJA4 , MPN: 18CIRJA4 , UPC: 843573177027 , Code: 2GB-AM1-CIRCUS-18CIRJA4
  • Open Box, Dealer Demo, Kryptek Cirius Down Jacket - Men's, Small, Highlander, 18CIRJH3 , MPN: 18CIRJH3-DMO , Code: 2GB-AM1-CIRCUS-18CIRJH3-DMO
  • Kryptek Cirius Down Jacket - Men's, Obskura Skyfall, 2XL, 18CIRJSF7 , MPN: 18CIRJSF7 , UPC: 843573180102 , Code: 2GB-AM1-CIRCUS-18CIRJSF7
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Last updated 2026-07-03 UTC.