Sweater is worked flat from the top down in one piece. Suggested yarn Malabrigo Yarn Rios Yarn weight Worsted (9 wpi) Gauge 22 stitches and 28 rows = 4 inches in Elongated Stitch Pattern Needle size US 7 - 4.5 mm US 4 - 3.5 mm Yardage 1260 - 2100 yards (1152 - 1920 m)