6 Oz. - Lightweight.Elastic Drawstring Waist.55% Cotton, 45 % Polyester.White belt included. This easy care, permanent press fabric is woven from a perfect blend of 55% cotton and 45% polyester creating a comfortable lightweight 6 oz. uniform. Available in 4 great colors (black, blue, red and white), each set contains a jacket, pants and a white belt. 6 oz. uniform has an elastic drawstring waistband.