WIP - Mottled Wave Socks

I started knitting some new socks a week or two ago. I'm using the Flame Wave Socks pattern by Ann Budd from the book Favorite Socks. The yarn is Patons Stretch Socks. It was a little tough finding a pattern for stretch yarn. So, while the stitch pattern is not ideal for this colorway (because it is so subtle), I was too nervous to just use any old pattern.
The pattern calls for using a size 5 needle and then switch to a size 4 but I'm only using size 4. However, the leg is still a little loose on me. The pattern is easy to follow but still interesting to knit. At the rate I'm knitting I think I'll be done with the first sock by the end of the weekend.