MacGregor of Glengyle, 6" modern bright Fabric Spoonflower MacArthur of Milton Ancient Tartan Hawaiian Shirt Celticprime.com MacGregor Dress Red (Gregor Dress Red) Weathered Tartan Hawaiian Shirt Clan MacGregor Tartan Fabric Zazzle MacGregor (Gregor) Weathered Clan Badge Tartan Hawaiian Shirt Men and 20 Must Have MacGregor Tartan Items to Show Your Heritage. Featuring boxy fit with short sleeves and notch lapel collar, this lightweight 4 way stretch shirt is a perfectchoice for a casual yet stylish uniform in warmer climates. 7. 23 Oz. Fabric: 95% polyester, 5% spandex. Features four way stretch fabric and comfort fit. Short sleeves, notch lapel collar, self fabric sleeve cuff detail. Machine wash, tumble dry low.