Rutherford Tartan Family Crest Polo Shirt Alba Gu Brath Be Brave Lion Ruthven Modern Tartan Crest T shirt Alba Celtic Style Alba gu brth Meaning, Origins, and Scottish Pride Today Ruthven Ancient Clan Badge Tartan Polo Shirt Celticprime.com. 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.