100% Cotton. Fabric: Pique. Design: Contrast Detail. Fastening: Pull Over. Neckline: Ribbed, Turn Down Collar. Cuff: Ribbed. Sleeve-Type: Short-Sleeved. Fabric Technology: Breathable, Durable, Soft. 3 Button Placket. Fit: Kingsize. XXL: 52 in. 3XL: 55 in. 4XL: 58 in. 5XL: 61 in. 6XL: 64 in. From the Duke Clothing Company. Ref: UTDC520