Ferguson Ancient Tartan T Shirt with Family Crest and Scottish Thistle Tartan Plaid Ferguson Modern Clan Badge Tartan Polo Shirt Celticprime.com Scottish Robertson Hunting Modern Clan Crest Tartan Polo Shirt Celtic. Crafted in 95% polyester with your own design which combines comfort and vogue. This shirt has some great features, it has 3 buttons, elastic collar and cuffs. Add your own design to this polo shirt through design tool on Artsadd and reflect your personality. 12. 35 Oz. Made from polyester fabric. 3 buttons, elastic collar and cuffs. Extremely soft to the touch, durable and breathable. Machine wash cold. The print on garment body is unable to fade.