Jackets are garments for the upper body usually having a front opening, collar, lapels, sleeves, and pockets. The term is French in origin, evolving from the short coats worn by French peasants Unlike other garments, jackets are fastened around the body not for use as clothing but out of fashion in many places.

Jackets are mostly made out of denim, cotton, leather of fine wool. It comes in many colours. Out of those, navy blue denim jackets and black or brown leather jackets are very famous. Jackets are worn by men, women and also by kids. It is a casual wear. Modern jackets are primarily a garment worn for warmth in cool weather or the upper part of a suit worn as dress wear.

Jackets differ from coats which are cold weather garments in that they are generally lighter and shorter. There are also jackets make for cold weather. Boys will wear heavy jackets during the winter rather than coats cut longer like overcoats. Jackets are cut in a wide variety of styles for specialized purposes. Jackets worn with suits are also called coats as are sports jackets, a more casual style, which is worn without matching trousers.