Yarn > Brand > Berroco > Comfort Sock A no-wool sock yarn made of acrylic and nylon. A skein contains 447 yds./412 m on 3.5 oz/100g skein. Knits to 7.5 sts. per 1 inch on US3 and crochets to 6 sc. to 1 " on a US D/3. Machine wash inside out, warm water, gentle cycle. Tumble dry on low heat, do not over dry. Do not iron. Do not bleach.Dry clean when mixing light and dark colors.