Mary Maxim Footloose Sock Yarn - Yellow simpleupdate2 Gauge: 28 sts. and 38 rows to 4" (10.16 cm). Ball Weight: 3.5 oz (100 g), Yarn Length: 450 yds (411.48 m). Suggested Knitting Needle Size: 2 (2.75 mm) Fiber Content: 75% superwash wool, 25% nylon. Care Instructions: Hand wash in cool water, Lay flat to dry.