Cast On 87 (95) stitches. Turn work, do not work in the round. Knit every row (Garter Stitch) for 7" (8"). At the beginning on the next 8 rows, bind of 5 (6) stitches. Continue working in Stockinette Stitch until piece is 20" (21") or desired length ending with RS row. Knit the next row. Purl one row, Knit one row. Bind off loosely.
Seam the front and back of the sweater together leaving 10.5" (11") opening for neck hole.