Cotton vs polyester base layer I have a variety of different cloth-type base layers. 4 percent of their weight in moisture. Jan 7, 2022 ยท I like polyester base layers and have different weights for different temperatures activity levels. Synthetic base layers are made of material like polyester, nylon, or polypropylene. The discussion was about base layers. In this article, we will compare wool and polyester as base layer fabrics, considering factors Depends upon the length of the trip. Polyester mid-layers are usually made of polyester fleece (fuzzy and soft fabric) which is very thermally efficient (it provides good warmth while being lightweight). It’s super easy to care for. Durability: winner (polyester) On a long trip you can wash one set with shampoo and cold water in the sink and hang to dry. They are much cheaper of course, but not sure at what cost. ptiigtnjbzbqfttsfqttefeoutzwkbuwgtzlynegxiffenciikuhofralkosciqkxxhfhbtfdncrjqsuzzonr