Knitted back-and-forth in rows. The Front and the Back are knitted separately. The edge stitches are included in the description of the kniting of the top.The blue line on the diagram signifies knitting of the open cable pattern from supplementary skeins of yarn. You must know open cable sts. If you not want to knit open cable pattern, you can pass this pattern.
The shoulder seam are joined using 3-needle bind off technique:
Hold both pieces of knitting with right sides together; insert needle into the fist stitch on front needle and first stitch on back needle, knit them together and off the needles (one stitch on the right needle); * knit again the next two stitches together (two stitches on the right needle); pass the second stitch on the right needle over the first stitch and off the needle, rep from to till all the stitches are bound off.
The pattern contains detailed instruction, charts included.