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Which material is best?
Match the temp to the trek
Find your fit
Read full article: How to Choose Base Layers
Read full article: What to Wear Running
Read full article: What to Wear Backpacking
Fabrics
Styles
Briefs (men's): close fit and good support, but less thigh coverage
Read full article: How to Choose Hiking Underwear
Read full article: Layering Basics
Read full article: How to Choose Travel Clothing