mxn lapping fabrics: The most popular mxn lapping fabrics are 1×1, 2×1 and 3×1 lapping fabrics. An increase in the underlaying distance (m) leads to an increase in fabric weight, fabric cover factor, smooth appearance at the technical back of the fabric, extensibility in the wale direction and stability in course direction and leads to a decrease in extensibility in the course direction. The most popular fabric designs (one or two fully threaded) which are also described below are produced by this type of lapping.