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We're sorry but all Color/Size combinations for this product are currently out of stock. You can be notified upon their arrival by choosing the Color and Size options you are interested in and then entering your email in the yellow box below.
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Arctiva Mechanized 4 Insulated Bib
  • Arctiva Mechanized 4 Insulated Bib - Black
  • Arctiva Mechanized 4 Insulated Bib - Black Camo

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Arctiva Mechanized 4 Insulated Bib

At the summit of Mt. Arctiva, a Mech 4 flag flies strong. Its full-featured weather protection forms a virtual embargo against the elements using the full compliment of tools at our disposal. Durability and waterproof properties are a given. The venting and insulation package allows you to create the proper temperature balance to regulate your core. Fleece lined cargo pockets, a powder skirt, and a removable liner round out the package. Wear Mech 4 on your next expedition and summit in comfort; just don’t knock our flag over.


  • Durable/waterproof polyester chassis
  • Double layer seat and knee for waterproof integrity
  • Adjustable inseam length
  • Boot gaiter keeps snow and cold air out
  • Full length leg zippers with magnetic storm flap closure system
  • Cargo pockets for mission critical items
  • 120 gm polyfill insulation for extreme conditions
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Arctiva Mechanized 4 Insulated Bib
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Arctiva Men's Bibs Sizing

Size Waist (in) Inseam (in)
SM 26-28 32
MD 30-32 33
LG 34-36 33.5
XL 38-40 34
2XL 42-44 34.5
3XL 46-48 35
4XL 50-52 35
5XL 54-56 35

Waist measurement is before elastic is "stretched," and inseam measurement is fully extended but can be shortened by 1.5" and 3"

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Click here to see the full Arctiva Size Chart
Product Style RevZilla Item # Manufacturer Product # Availability
Black / SM 787516 31300644 Out of Stock
Black / MD 787501 31300645 Out of Stock
Black / LG 787500 31300646 Out of Stock
Black / XL 787499 31300647 Out of Stock
Black / 2XL 787494 31300648 Out of Stock
Black / 3XL 787451 31300649 Out of Stock
Black Camo / SM 787498 31300650 Out of Stock
Black Camo / MD 787497 31300651 Out of Stock
Black Camo / LG 787496 31300652 Out of Stock
Black Camo / XL 787495 31300653 Out of Stock
Black Camo / 2XL 787493 31300654 Out of Stock
Black Camo / 3XL 787453 31300655 Out of Stock