ABBREVIATIONS
Approx = Approximately
M1P = Make 1 stitch by picking up horizontal loop lying before next stitch and purling into back of loop
P = Purl
Pat = Pattern
Rem = Remaining
Rep = Repeat
RS = Right side
Beg = Begin(ning)
Cont = Continue(ity)
Inc = Increase(ing)
K = Knit
K2(3)tog = Knit next 2(3) stitches together
M1 = Make 1 stitch by picking up horizontal loop lying before next stitch and knitting into back of loop

MEASUREMENTS
One size to fit baby 3 to 6 months. Approx 33″ [84 cm] long (from top of hood to base) x 171⁄2″ [44.5 cm] wide (excluding fins).

GAUGE
14 sts and 18 rows = 4″ [10 cm] in stocking st.
Ssk = Slip next 2 stitches one at a time. Pass them back onto left- hand needle, then knit through the back loops together.
St(s) = Stitch(es) Tog = Together WS = Wrong side

INSTRUCTIONS
Note: Do not join. Work back and forth across needle in rows for all pieces.

BODY
Stripe Pat (worked in stocking st) With A, work 6 rows.
With B, work 6 rows.
These 12 rows form Stripe Pat.

With A, cast on 42 sts.
1st row: (RS). Knit.
2nd row: Purl.
3rd row: K3. *M1. K4. Rep from * to last 3 sts. M1. K3. 52 sts.
4th to 6th rows: Beg on a purl row, work even in stocking st.
7th row: With B, K3. *M1. K5. Rep from * to last 4 sts. M1. K4. 62 sts. 8th to 10th rows: Beg on a purl row, work even in stocking st. 11th row: K3. *M1. K6. Rep from * to last 5 sts. M1. K5. 72 sts.
12th row: Purl.
13th row: With A, knit.
14th row: Purl.
15th row: K3. *M1. K7. Rep from * to last 6 sts. M1. K6. 82 sts.
16th to 18th rows: Beg on a purl row, work even in stocking st. Stripe Pat is now in position.

Keeping cont of Stripe Pat, inc 10 sts evenly across following 4th rows from previous inc row (as before) until there are 122 sts, ending on a purl row.
Work 2 rows even. Place markers at each end of last row.
Cont even in Stripe Pat until work from markers measures 16″ [40.5 cm], ending on a purl row.

Shape face opening and sides: 1st row: (RS). Cast off 10 sts. Knit to last 10 sts. Cast off last 10 sts. 102 sts.
2nd row: (WS). Rejoin appropriate color to rem sts and purl to end of row.
3rd row: K1. K2tog. K96. ssk. K1. 100 sts.
4th, 6th, 8th, 10th and 12th rows: Purl.
5th row: K1. K2tog. K94. ssk. K1. 98 sts.
7th row: K1. K2tog. K19. K3tog (placing marker on top of K3tog). K48. K3tog (placing marker on top of K3tog). K19. ssk. K1. 92 sts.
9th row: K1. K2tog. Knit to last 3 sts. ssk. K1. 90 sts.
11th row: K1. K2tog. *Knit to 1 st before next marker. K3tog (placing marker on top of K3tog). Rep from * once more. Knit to last 3 sts. ssk. K1. 84 sts.
13th row: Knit.
14th row: Purl.
15th row: *Knit to 1 st before next marker. K3tog (placing marker on top of K3tog). Rep from * once more. Knit to end of row. 80 sts. 16th row: Purl.
17th to 28th rows: Rep 13th to 16th rows 3 times more. 68 sts
29th row: K1. M1. *Knit to 1 st before next marker. K3tog (placing marker on top of K3tog). Rep from * once more. Knit to last st. M1. K1. 66 sts.
30th row: Purl. 66 sts.
31st to 34th rows: Rep 29th and 30th rows twice more. 62 sts.
35th row: Cast on 4 sts. *Knit to 1 st before next marker. K3tog (placing marker on top of K3tog). Rep from * once more. Knit to end of row. 62 sts.
36th row: Cast on 4 sts. Purl to end of row. 66 sts.
37th row: *Knit to 1 st before next marker. K3tog (placing marker on top of K3tog). Rep from * once more. Knit to end of row. 62 sts. 38th row: Purl.
39st to 42th rows: Rep 37th and 38th rows twice more. 54 sts.
43th row: *K1. K2tog. Rep from * to end of row. 36 sts.
Cast off purlwise.
Sew center front seam above face opening. Sew cast off edge (top of head) seam.

Face edging: With RS facing and A pick up and knit 82 sts evenly around face opening.
Knit 2 rows
Cast off knitwise (WS). Tail fin (worked sideways) With B, cast on 17 sts.
1st row: (WS). Knit.
2nd row: With C, K12. Turn. Leave rem sts on left-hand needle.
3rd row: With C, K12.
4th and 5th rows: With B, knit across all sts.
6th row: With C, K12. Turn. Leave rem sts on left-hand needle.
7th row: With C, K12.
8th and 9th rows: With B, K12.
10th and 11th rows: With C, K12.
12th and 13th rows: With B, knit across all sts.
Rep 2nd to 13th rows for Stripe Pat until shorter end of Tail (worked just with B) measures approx. 9″ [23 cm], ending on a 4th row of pat.
With B, cast off (WS). Push extra rows in Stripe Pat to WS of work and sew in position.

Fins (make 2 – worked sideways)
With B, cast on 12 sts.
1st row: (WS). Knit.
2nd row: With C, K8. Turn. Leave rem sts on left-hand needle.
3rd row: With C, K8.
4th and 5th rows: With B, knit across all sts.
Rep 2nd to 5th rows for Stripe Pat until shorter end of Fin (worked just with B) measures approx 5″ [12.5 cm], ending on a 4th row.
With B, cast off (WS).

FINISHING
Place markers on front edges 18″ [45 cm] down from face opening for zipper opening. Sew center front seam from cast on edge to markers. Fold cast on edge (lower edge) flat and sew bottom seam.
Gather shorter edge of Tail fin to match length of lower edge seam and sew Tail fin in position as shown in photo. Sew shorter ends of Fins in position as shown in photo.
With sewing thread and needle, sew zipper into zipper opening taking care to match Stripe Pat