Shrug is worked flat in one piece from lower back hem to upper front ribbing, then folded and seamed.

Check out this video tutorial

Yarn
Approximately 1,500 yards fingering weight yarn HELD DOUBLE
Sample shown in Mary Maxim Twinkle (320yds/50g)

Needle
US 10 (6 mm) 48” circular needle

Gauge
16 sts and 22 rows = 4” in Stockinette