down? Synthetic fiber padding? Fleece? The key to layering is to choose the material. The best models for mountaineering winter clothing (mid-layer) for this season, and tips for choosing one that won't make a mistake
Recommended , Patagonia , How to choose , Middle layer , Down , Fleece , Insulation , Mountain Hardwear , NORRONA , Rab , THE NORTH FACE , MILLET , Introduction to mountain climbing
Written by Yasushi Hisatomi
![Comparison review: Comparing the base layers that are perfect for winter trail running [RUN+TRAIL collaboration project]](https://outdoorgearzine.com/wp-content/uploads/DSC08890_mini-1024x576.jpg "Comparison review: Comparing the base layers that are perfect for winter trail running [RUN+TRAIL collaboration project]")