Twinset also includes instructions for a short-sleeved jumper, Ravelry entry here.

Summary
A close fitting v-neck cardigan with a ribbed pattern

Size
34” to 36” bust; length 19”; sleeve seam 17.5”

Gauge
7 stitches to 1 inch using 3.75mm US 5 needles over stocking stitch

Materials
10 oz Sirdar Majestic 3-ply wool
7 buttons