

Introduction
The concept of “layering” is one of the foundational principles of safe and comfortable backcountry travel, especially when traveling in cold, wet and mountainous climates. It has probably been around, in one form or another, as long as humans have traveled the earth. The more demanding the climate, the more incentive there is to have a thorough understanding of various layering schemes and principles. [NOTE: It is interesting to note that Patagonia, in their Winter 2009 catalog, claims to have introduced the concept of layering in the 1970s.]
Stereotypical Approaches to Layering
There are many approaches to layering. Here are five simplified and somewhat stereotypical approaches for your consideration.
— Quickly shove some extra clothes in a pack without much forethought.
— Adhere religiously to the traditional “three layer” system: a base layer for wicking moisture, a middle layer for insulation, and a shell layer for blocking wind and keeping out precipitation.
— Carry the latest and greatest high-tech performance clothing recommended by outdoor retailers, manufacturers and publications. Especially important are “soft shell” clothing layers that it is often claimed can replace the traditional three layers with one or two garments.
— Follow your author’s lead by adopting a flexible four-layer clothing system.
— Develop the expertise necessary to make intelligent decisions about layering strategies and how they apply in the climate(s) traveled.
Since the overriding purpose of this website is for you to develop an in-depth understanding of the topics covered and to make your own decisions, the last approach is recommended (even if you reject the author’s recommended four-layer system).
First Layer: Moisture and Heat Management
[Note: In the complete article, detailed information is provided for all four layers.]
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The above paragraphs provide a preview of the complete article (approximately 18 pages) available as a free download. Click on the following to download in either a Microsoft Word or PDF format.
The Fine Art of Layering – Word Format
The Fine Art of Layering – PDF Format
The sub-topics listed below are developed in this complete article:
Introduction
Stereotypical Approaches to Layering
Recommended Four Layer Clothing System
First Layer: Moisture and Heat Management
Second Layer: Wind Blocking/First Tier Insulation
Third Layer: Increasing the Insulation Value
Fourth Layer: Full On Storm Protection
Further Refinements to Layering Systems
Layering Principles Applied to the Extremities
Layering Principles Applied to Sleeping
Summary of Layering Article Main Points
Additional Issues For Reflection
