This is beautiful soft luminous yarn. It is very fine - and I am knitting it on US 1 needles, but could probably even knit it on US 0.
If you ever want to make a luxury pair of socks, or silk stockings, this is the yarn to do it with.
This is a good pattern to use with various gages. It can be a starting point for designing something unique, or you can follow the pattern to create one of several modified patterns. The instructions are clear and easy to follow. Anyone who has not knit a sweater should try this, and anyone who has, will enjoy this.