With larger needles, cast on 40 (46-58-82) sts. Knit 5 rows, inc 4 sts evenly across last row. 44 (50-62-86) sts. Proceed in stocking st, inc 1 st at each end of needle on 3rd and every row to 50 (60-72-104) sts, then on following alt rows to 54 (68-82-122) sts. Purl 1 row.
Leg Openings: Next row: (RS). K5 (5-7-11). Cast off 4 (6-6-10) sts. K36 (46-56-80) (including st on needle after cast off). Cast off 4 (6-6-10) sts. Knit to end of row.
Beg with a purl row, work 1 (1½-1½-2½) ins [2.5 (4-4-6) cm] in stocking st, ending with purl row.
Joining row: K5 (5-7-11). Cast on 4 (6-6-10) sts. K36 (46-56-80). Cast on 4 (6-6-10) sts. Knit to end of row. 54 (68-82-122) sts.
Cont even until work after neckband measures 5 (6½-8-11) ins [12.5 (16.5-20.5-28) cm], ending with purl row. Place marker at each end of last row.
Back shaping: Cast off 6 (7-9-13) sts beg next 2 rows. 42 (54-64-96) sts.
Next row: (RS). Sl1. K1. psso. Knit to last 2 sts. K2tog.
Next row: Purl. Rep last 2 rows to 26 (36-42-66) sts.
Cont even until work after neckband measures 10 (12½-15½-21) ins [25.5 (32-39.5-53.5) cm], ending with purl row.
Leave sts on a spare needle.
Hood: Place markers along cast on edge on 6th (7th-9th-10th) st from each edge. (RS). Pick up and knit 29 (33-41-63) sts between markers along cast on edge. Purl 1 row.
Next row: (RS). K14 (16-20-31). M1. K1 (place marker on center st). M1. Knit to end of row.
Next row: K3. Purl to last 3 sts. K3.
Next row: Knit to center marked st. M1. Knit marked st. M1. Knit to end of row. Rep last 2 rows 4 (5-7-9) times more. 39 (45-57-83) sts. Cont even until hood measures 5 (5½-6½-7½) ins [12.5 (14-16.5-19) cm], ending with a purl row. Cast off. Fold cast off edge in half and sew hood seam.
Back Ribbing: (RS). With circular needle pick up and knit 33 (37-51-67) sts along body from marker to back. K26 (36-42-66) from spare needle, dec 1 st at center. Pick up and knit 33 (37-51-67) sts along opposite side of body to marker. 91 (109-141-197) sts. Do not join in rnd. Knit 8 rows. Cast off. Sew neck and belly seam.
Leg Edging: (RS). With double-pointed needles, pick up and knit 23 (29-32-38) sts around leg opening. Divide sts evenly on 3 needles. Join in rnd, placing a marker on first st. Work 8 rnds in garter st. Cast off.