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Outdoor Research Alpine AscentShell Bivy in Nimbus angle
Outdoor Research Alpine AscentShell Bivy in Nimbus mesh screen
Outdoor Research Alpine AscentShell Bivy in Nimbus open
Outdoor Research Alpine AscentShell Bivy in Nimbus zipper
Outdoor Research Alpine AscentShell Bivy in Dawn front
Outdoor Research Alpine AscentShell Bivy in Dawn with sleeping bag
Outdoor Research Alpine AscentShell Bivy in Nimbus stuff sack
Outdoor Research Alpine AscentShell Bivy in Nimbus angle
Outdoor Research Alpine AscentShell Bivy in Nimbus mesh screen
Outdoor Research Alpine AscentShell Bivy in Nimbus open
Outdoor Research Alpine AscentShell Bivy in Nimbus zipper
Outdoor Research Alpine AscentShell Bivy in Dawn front
Outdoor Research Alpine AscentShell Bivy in Dawn with sleeping bag
Outdoor Research Alpine AscentShell Bivy in Nimbus stuff sack

Outdoor Research Alpine AscentShell Bivy

$299.00 USD

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Product title: Outdoor Research Alpine AscentShell Bivy
SKU: ACT_ORBALPASC_23S-Nimbus

Solo adventuring is a whole lot more comfortable and convenient with the Outdoor Research Alpine AscentShell Bivy. Impressive breathability means less condensation and more comfortable sleep. The Alpine bivy is ideal for fast pursuits, extreme weather, or anytime you want to skip the weight and space of a tent.

  • Alpine protection and all-night comfort without the weight
  • Waterproof & breathable AscentShell with Pertex technology makes for a faster and lighter solo shelter
  • Single-pole system allows for quick setup and breakdown
  • Step-in opening allows you step directly out of your boots and into your bed easier
  • Extra-large head space makes room for gear, high-volume toe end gives you plenty of foot room
  • No-see-um mesh comes in handy when the bugs are out for blood, and for stargazing
  • Outdoor Research Infinite Guarantee to perform throughout the lifetime of the product

Technical Specifications

Upper FabricBluesign-approved AscentShell x Pertex Shield Air Diamond Fuse 3L 100% nylon
Floor Fabric100% Nylon 40D with TPU lamination Floor
Mesh FabricBluesign-approved 100% polyester mesh
Length83"
Width (At Top)28"
Width (At Feet)22"
Height (At Top)20"
Weight (with Pole)528 g (18.6 oz.)
Weight (without Pole)479 g (16.8 oz.)

Sleeping Pad Fit Tip: The tapered shape of the Alpine AscentShell Bivy works best with tapered shape sleeping pads with narrower dimensions at the foot, ideally 22 inches or narrower.

Outdoor Research’s proprietary AscentShell technology uses an electrospinning process to create a three-layer construction that breathes faster, weighs less, stretches more, and far surpasses the comfort of traditional waterproof membranes. Never crunchy or noisy, AscentShell is just as comfortable as a soft shell, with the performance of a hard shell. Air permeable and breathable, AscentShell vents perspiration and excess heat during aerobic activity, while its light weight saves precious energy on demanding endeavors.

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5.0
Rated 5.0 out of 5 stars
Based on 1 review
1 review
  • SC
    Silas C.
    Verified Reviewer
    I recommend this product
    Rated 5 out of 5 stars
    8 months ago
    ALPINE ASCENTSHELL BIVY

    Solid bivy option for going light and fast! I use it on Archery Elk hunts that I intend to be moving often and this checks the boxes.

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