What does ';roc'; mean as pertaining to clothing?

If you are refering to the labels marked ';Made in ROC'; or ';R.O.C.';, it refers to the Republic of China.





Alternatively, it can refer to a type of cotton material, often called Granite Cloth (a Columbia (TM)), which goes through enzyme stonewashing process.





The process softens the cotton and also makes the colors softer.