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Four Season Sleep Systems for a Weekend Warrior in the American West

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Are quilts the default go-to in most situations, or is the classic mummy still a contender?

Alpha vs Apex for a synthetic insulated overbag

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Alpha bags are not much lighter, def not warmer, but compresses really well and may last longer

Overfill for Quilts and Bags; What is it?

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The notion ‘overfill’ refers to a base quantity of down receiving a request for extra fill. This base value, prior to overfill, is the minimum down amount a cottage manufacturer deemed necessary to ensure comfort or survival at the stated temperature rating. The consumers trust in this rating can influence decisions about overfill.

Straps, Pads and how they interface with the Quilt.

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A backcountry quilt is an open bottom comforter style sleeping bag. We offer various methods to help seal this opening when temperatures drop.
From - 2001: This editorial provides some insight into the concept of the ARC BAG: a variable girth sleeping bag having an arc, rather than an elliptical (or oval), cross section, and are going to ride what we think will be a leading edge in sleeping bag design in coming years. Enjoy, and get ready to ‘lose some weight’!

Nunatak Jackets with Synthetic Insulation

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Apex by Climashield is a continuous fiber synthetic insulator replacing down in some of our jackets. It performs better in moist conditions and is not as affected by sweat compared to the extreme hydroscopic nature of down. Apex is durable, with a long usable life and good recovery from repeated compression cycles. We have two lines of custom Apex insulated jackets (aka puffies): the original Skaha and the superlight JMT Jacket. While...

Choosing the right Down Quilt

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Nunatak has 2 principal lines of backcountry down quilts: The Arc UL and the 3D Quilt. In short the Arc UL is lighter and firmly rooted in the classic quilt idiom. The 3D Quilt is built like a cross over quilt/mummy bag with every detail optimized to provide the warmest option for shoulder season or consistent cold weather use.

Designing with Down

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Down is comprised of thousands of individual clusters. The expanded clusters cling loosely together and form a mat of insulation. The trapped air inside this mat is what keeps us warm. What can go wrong? Well, besides moisture infiltration, mishandling and age - there are also a few other things that need to be in place for a quilt to be effective. Some of these are related to design.

Traction devices for ultralight backpackers

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Snow is back for the 2017 hiking season! Spectacular amounts fell this winter and spring in the Sierra. The hiking season, especially for PCT’ers and JMT’ers, will revolve around high country snowpack, swollen creeks and the difficulties inflicted on backpackers. What to do? First off, be careful. Steep snow takes experience to navigate. Steep hard snow, melted and refrozen thru the many warm sunny days and cold nights typical of Californi

Advanced Desert Travel, and Water Issues.

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Backcountry travel in the desert presents one with the unique, but serious issue of available water. Whether backpacking, ultra running or bikepacking the need to have adequate water to survive is ever-present.
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