This 10.5 oz. cotton/lycra blended jersey knit dickey is made with superior 4 way stretch. High cotton content is safer for public safety use. Beefy 10.5 oz. jersey knit fabric. The collar is reinforced with stretch fusible interlining for better appearance. Collar uses same fabric as the body for true color matching. Sizing is combined (S/M, L/XL, 2X/3X)