Seersucker is a thin, puckered, all-cottonfabric, commonly striped or chequered, used to make clothing for spring and summer wear. The word came into English from Persian, and originates from the words "Sheer" and "Shakar", literally meaning "milk and sugar", probably from the resemblance of its smooth and rough stripes to the smooth texture of milk and the bumpy texture of sugar. Seersucker is woven in such a way that some threads bunch together, giving the fabric a wrinkled appearance in places. This feature causes the fabric to be mostly held away from the skin when worn, facilitating heat dissipation and air circulation. It also means that pressing is not necessary.