When you go
to buy yarn for a new project, there are some things you should pay attention
to. First things we notice are colour and texture of the yarn. But besides
these, there are a couple of things to be taken into account: the thickness and
yarn type.
The
thickness of the yarn will be in accordance with the needles size to use. It
will affect both the finish of the garment and the time needed to knit it. If
you can’t see the yarn in person, or have a reference, or just you still don’t have
experience to calculate by eye, you can have a look at manufacturer instructions.
You can find two options: