This is my latest Buick Motorsports Black Sweatshirt. This shirt is 90% cotton and 10% polyester and is a 10oz in weight. It is a full cut preshrunk shirt with the Buick Motorsports logo fully embroidered above the left chest. All my clothing merchandise is fully guaranteed to your satisfaction. I cater to the Buick Grand National, Ttype, and GNX, Buick Motorsports, GSX, owners as I drive a turbo Buick myself. This is a GM Licensed Product!