Which material is best?
- Wool: highly moisture-wicking and odor-resistant
- Synthetic: durable and less expensive
- Silk: soft and lightweight for casual activities
Match the temp to the trek
- Lightweight layers: best for moderate to cool temperatures
- Midweight layers: best for cold temperatures
- Heavyweight layers: best for below-freezing temperatures
Find your fit
- Must be close to skin to efficiently wick sweat; should fit comfortably snug
- Base layer is for moisture control; your mid layer is for warmth
Read full article: How to Choose Base Layers
