With today's industrial sewing speeds of up to 5000 stitches/min, there is an increasing occurrence of sewing damage in the processing of knit goods. For this reason, the attempt is being made to improve the sewability of these fabrics. In this article, first the various types of sewing damage and their causes are discussed. Then the author describes the testing of sewability by means of a specially developed sewing unit and in conclusion discusses the improvement of sewability by means of finishing processes and products.