You are going to want to print out and save this page, OR, for SERIOUS yarn aficionados who want to learn more, you can take JENNIFER RAYMOND'S YARN PROPERTIES CLASS on SATURDAY, FEBRUARY 22ND from 1-4 PM and finally "unravel" the mystery of yarn weights and properties. What does DK really mean? What are plies and why are they important? How do I substitute one yarn weight or fiber for another? SO, get "SHEEP-AND-WOOL-READY" and register for Jen's class today and never buy yarn you love and don't know what to do with again, at Woolwinders, your neighborhood yarn shop!