Clan Davidson Crest & Tartan Knot Davidson Pin TeePublic Clan Davidson Crest & Tartan Knot Davidson Sticker TeePublic Clan Davidson Modern Tartan Crest Garden Flag EW20 Tartan, Modern Davidson Tartan Etsy. Davidson 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.