The material matters. We know the pros of wool, feathers and corduroy
In winter, many people resign themselves to what’s in – it’s all about warmth! But warm materials can go hand in hand with fashion. We know the benefits of wool, corduroy and feathers, you just need to choose the one that’s right for you. So what to wear on frosty days? Cotton is fine, but only as a middle or outer layer of clothing. It’s quite cold when wet, so it doesn’t make a thermal underwear, wool is better for that.
Source : https://www.idnes.cz/materialy-moda-bavlna-vlna-zima