(both alike) With 3.25mm needles and Green, cast on 55 sts.
Rib 20 rows as given for back.
Increase row: Inc in first st, rib 1, [up1, rib 3] to last 2 sts, up1, rib 1, inc in last st – 75 sts.
Change to 4mm needles. Beginning with a p row, ss 5 rows. Join in Beige and pattern 4 rows as given for back.
Continuing in pattern as given for back, and working extra sts into pattern as they occur, inc 1 st at each end of next row and 15 (15) (17) (19) following 6th (6th) (5th) (5th) rows – 107 (107) (111)
Pattern 13 (13) (18) (8) rows.
Break off Beige. Continue in Green only. Ss 2 rows straight.