This design uses the same instructions for Toddler to Teen sizes, only the needles are different. It is knitted in one piece from sleeve edge to sleeve edge, seamed on the sides. This makes for a very "stretchy" garment. Lots of wear possibilities.
Size 15 needles Yarn Gauge: 2 sts = 1 inch 2.25 rows = 1 inch
Size 17 needles Yarn Gauge:1.5 sts= 1 inch 2 rows= 1 inch