Swatching for a new cardigan

I bought some coral colored yarn about a month ago to make a sweater or a cardigan. I decided I would like to have a cozy, slightly oversized, easy to knit cardigan. So I got some skeins from the same lot, and started swatching...



I tried several knit and purl patterns. I found seed stitch to messy and moss stitch to square, so I decided to go with double seed stitch: