Human: Which type of clothing is the best to wear in the winter when it is cold outside? Assistant: 
The best type of clothing to wear in the winter when it is cold outside is warm, waterproof garments such as coats, jackets, and boots. You should also consider layering your clothes so that you can adjust to different temperatures throughout the day. Additionally, make sure to dress for the weather by selecting fabrics that are wind-resistant and breathable.