Proper layering is the key to comfort and safety while trekking in the dynamic & varied environment of the Nepal Himalayas. You’ll move through hot sub tropical zones to extreme alpine cold, sometimes all in the same day!
Here is the essential, pro approved three layer system for your Himalayan trek.
Three layer system for trekking in Nepal
Trekking environment in Nepal’s Himalayas transitions rapidly from warm, low altitude valleys to freezing, high altitude passes. The three layer system is a strategy to maintain a stable core body temperature by adding or removing clothing.
1. Base layer
This layer sits directly against your skin. Its primary job is to wick moisture away from your body to keep you dry. Staying dry prevents chilling, which is critical at higher altitudes.
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Pro tip: Never wear cotton next to your skin, it absorbs sweat and keeps you cold and damp.
2. Mid layer
This is your main heat layer. It traps the warm air generated by your body and provides insulation.
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3. Outer layer
This is your armor against wind, rain, and snow. It is essential for unpredictable mountain weather.
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Pro tip: This layer is a safety item and should always be in your daypack, even if the skies are clear.

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