Row 1 (WS): K3, p to last 3 sts, k3.
Row 2: K across.
Rep these 2 rows three times more plus one additional row 1. (9 rows total). You will be ending with a WS row.
Work in Bobble Ribbing for 3 rows. (rows 1-3). BO loosely in ribbing. Sew on buttons to front band. Weave in ends.