Our Traditional Series Yarn is hand-spun. Our spinners use drop spindles which gives the yarn a characteristic “thick and thin” inconsistency. Because our yarn is hand-spun by many different spinners, we can offer a variety of weights. Bulky --Yards/100g(80-120) Needle Size US 10/6mm Gauge 18-21 rows/12-14 stitches Winter Medium--Yards/100g(130-160) Needle Size US 9/5.5mm or 8/5mm Gauge 20-25 rows/14-16 stitches Fall Medium--Yards/100g(170-190) Needle Size US 8/5mm Gauge 25-27 rows/17-18 stitches Spring Light--Yards/100g(200-240) Needle Size US 7/4.5mm or 6/4mm Gauge 28-29 rows/18-20 stitches Summer Light--Yards/100g(250-290) Needle Size US 6/4mm Gauge 30-32 rows/20-22 stitches