Collar Setup Row: slip 44, (46, 47, 48, 50) sts, reattach yarn and Rib 36, (39, 42, 41, 45) sts, place marker, rib 19, (19, 17, 23, 25) sts, place marker, rib to last 48, (50, 51, 52, 54) sts. wrap, turn.
Next Row: Rib to last 48, (50, 51, 52, 54) sts, wrap, turn.
Next 2 Rows: Rib to last 51, (53, 54, 55, 57) sts, wrap, turn.
Next 2 Rows: Rib to last 54, (56, 57, 58, 60) sts, wrap, turn.
Next 2 Rows: Rib to last 57, (59, 60, 61, 63) sts, wrap, turn.
Continue in this manner, working 3 less sts every row until you reach the center19, (19, 17, 21, 25) sts. Cut yarn. Reattach yarn to the beginning of the vest- where the sts are were slipped, remove the markers & bind off in rib on all sts. Sew 3 buttons onto left front to coordinate with right front buttonholes.
Weave in all ends.