what is corduroy
Corduroy is found in the construction of trousers, jackets and shirts. The width of the cord is commonly referred to as the size of the wale (i.e. the number of ridges per inch). The lower the wale number, the thicker the width of the wale (e.g., 4-wale is much thicker than 11-wale).orduroy is made by weaving extra sets of fiber into the base fabric to form vertical ridges called wales. The wales are built so that clear lines can be seen when they are cut into pile. The primary types of corduroy are: