For washer-friendly wintry weather layers, ward off fabrics softener on technical materials
https://charlieioqd419.solsticebrief.com/posts/down-care-how-to-clean-and-preserve-down-jackets-and-comforters
For washable wintry weather layers, hinder cloth softener on technical fabrics. It can shrink water resistance and breathability, rather on outerwear blends with coatings.