Tentatively dated to the 14th century, the Rogart shirt was found in a grave in Sutherland. The body consists of one piece of cloth, approximately 30 inches wide and 90 inches long, with the selvages sewn together at the side seams. The sleeves are made of a different piece of cloth. It is a plain weave of worsted wool, with an average weft count of 17.5 threads per inch. Most of the garment is ‘ginger brown’, but a darker yarn is used for 11 inches of the warp on the left hand side of the garment for irregular stripes from 1 to 4 threads wide, with no apparent order or…