YARN, GAUGE, SIZE AND MACHINE Use a light worsted yarn such as the Tamm Nordic and Mary Lue’s Liberty Plus used for the sample that can get a gauge of 4.5 stitches/6 rows/inch. These two yarns match quite well for stripes. This will be about 6 on the dial on most mid-gauge machines and stitch size 4 on most bulkies. Hat circumferences of 1013.3,16.7, 20,23.3“ fit newborn-XL adults. Hat lengths are 12 14, 16, 18, 20”