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Marmot Alpinist Bivy Alert One Size

by Marmot

Currently unavailable.
We don't know when or if this item will be back in stock.
  • Lightweight; highly compressible to fit into any pack
  • Made from Marmot MemBrain waterproof/breathable fabric
  • Utilizes an extended, easy-entry zipper
  • 100% seam-taped; waterproof
  • Storm flap

Product Description

Designed for the 21st century, the Alpinist Bivy offers minimalist protection for climbers and back-country adventurers. Being 100% seam-taped, it is both highly waterproof and durable.

Product Details

  • Product Dimensions: 85.8 x 35.8 x 7.9 inches ; 15.2 ounces
  • Shipping Weight: 1 pounds
  • Item model number: 27720-9321
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Best Sellers Rank: #734,304 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By Jonathan Stiles on January 25, 2013
This bivy bag is only usable in winter weather -5°C or 23°F because the fabric is definitely NOT breathable membrane. I tried to used it in the Pyrenees in late summer and the condensation caused my sleeping bag to get soaking wet and heavy with water. I tried it last night sleeping on a frozen lake in Finland in -15°C or 5°F and it worked perfectly. Condensation occurs - as a normal function of human respiration - but at sub-zero °C moisture freezes in the bag and is not a problem. Just beat the bag after use and the ice crystals fall away. Of course you will need a 4 seasons sleeping bag (I use a Marmot Couloir and it's superb). Good combo. No need for tent or other shelter. Folded away it is extremely compact and light. I will take this bivy bag with me to do off-track skiing in Lapland.
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