Opened a parcel of hand-dyed yarn and found a beautiful twisted bundle instead of a ready-to-use ball? You're not alone. A skein isn't an inconvenience or an oversight. It's a deliberate part of how quality, hand-dyed yarn is produced and sold. Here's what a skein is, how it differs from a ball, cake and hank, why dyers use this format and how to wind a skein of yarn into something you can knit or crochet from.

In this article, we’ll dive deep into the most common yarn formats, exploring what makes each unique, why manufacturers use them and how they impact your crafting experience.