Clan Stewart: Explore History, Tartans & Royal Bloodlines 12+ Stewart T Shirt Designs Honoring the Stewart Clan Legacy "Traditional Royal Stewart Scottish tartan" T shirt for Sale by Dress Stewart Tartan Cotton and Wool Blend Button Down Shirt by Viyella Plaidwerx: Clan Stewart Dress Tartan Shop. Product Detail: This new all over print t shirt features a relaxed fit for Men and Women. Made of 100% mesh cloth, this t shirt is durable, breathable and soft.?? 7. 05 Oz. 100% polyester. The neckband with multiple color selections cannot be customized. Double needle hemmed sleeves and bottom. Machine wash cold. The print on garment body is unable to fade.