Plaidwerx: Clan MacArthur Tartan Shop Traditional Tartan Leggings Red Tartan Llama Leisure MacArthur Tartan Leggings Plaidwerx: Clan MacGillivray Tartan Shop Traditional Tartan Leggings Red Tartan Llama Leisure. Product Detail: Each pair of leggings is constructed with a high quality 82% polyester, 18% spandex blend. Premium fabric offers unmatched comfort and breath ability while remaining strong and durable for everyday use. Features a specialty high definition heat dye application that ensures long lasting color vibrancy even after machine washing. Finished with an elasticated waistband to help reduce hip pressure for a perfect and stylish fit.