Scottish Robertson Clan Crest Tartan Flat Cap Tartan Plaid Carnegie Mellon Crest MacGregor Tartan Classic Cap Celticprime.com celticprime Scottish Crichton Clan Crest Tartan Flat Cap Tartan Plaid Carnegie Ancient Tartan Classic Crest Tablecloth Celticprime.com. Carnegie Modern Tartan Crest Classic Cap Product Detail: Crafted from a blend of 95% polyester and 5% cotton for comfort and durability. Combining the unique designs of each Scottish clan, it offers distinctive Scottish gift products. Size: Circumference of 22 23. 6 in (56 60 cm), fits most men and women. Perfect for daily wear and versatile enough for any occasion. Breathable fabric keeps your head cool. Care: Hand wash or machine wash gently; avoid dry cleaning, ironing, or bleaching.