Explore all of Duncan Stewart's towel ranges. Gsm means grams per square meter. In real terms, this refers to the thickness of the towel. The higher the gsm, the thicker and heavier the towel. This does not necessarily mean softer/more luxurious as there are more factors than just thread weight. Type of cotton, and amount of twist in the terry pile influence the softness of the towel. If you want to learn more, please don't hesitate to reach out!