2.5-5cm is suitable for adult self-made silk cotton, and the thickness of self-made cotton-padded jacket is mainly selected according to its own actual situation. If it is about minus 15 degrees, it is best to choose 5-6cm, and if it is about minus 5 degrees, you can choose 2-4cm.

A cotton-padded jacket refers to clothes filled with cotton, down and other materials to keep out the cold.