Wavelets Baby Romper Crochet Pattern

Dress baby for fun in this adorable baby romper crochet pattern! Easy wavelets flow gently across the main portion of the body. Breezy straps and a generous fit allow for all the wiggles and giggles that come with playtime!

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King Cole Cottonsoft DK yarn

As part of their ambassador program, King Cole sent me lots of yarns to try out. For this baby romper crochet pattern, I chose the Cottonsoft DK yarn. The colors they sent me were #3460 Opal and #3462 Candy Floss.

Cotton yarns can sometimes be stiff, but this one has great drape to it. It’s silky smooth with a pretty shine as well. Use the “Find a Stockist” tool on the King Cole website to find this yarn at a store near you! You can also buy it online at Lovecrafts.

Sizing Adjustments

Babies come in all sorts of shapes and sizes, and sometimes don’t fit perfectly into one size or another. This baby romper crochet pattern can easily be adjusted to fit just right! The pattern includes 5 different sizes from 3 months to 24 months. First, choose a size to follow based on the baby’s measurement at their widest point. That might be the hips, waist, or chest.

Then, when you get to the “body” portion, you can adjust the length by working more or fewer repeats of the wavelet pattern. If the baby is long and lanky, you may need to add a few rows. If the baby is more on the pudgy side, you may want to remove a few rows.

Finally, when working on the “finishing” portion, you can make slight adjustments to the fit by placing the buttons and snaps a little further in or closer to the edge as needed.


Wavelets Baby Romper Crochet Pattern

Yarn weight 4-medium
Project Level Easy

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Materials

  • Yarn: King Cole Cottonsoft DK weight yarn
    • 95 [115, 140, 175, 205] yds #3460 Opal Jade (A)
    • 20 [25, 30, 40, 45] yds #2758 Candy Floss (B)
  • Hook: US size 7 (4.5 mm) crochet hook or size needed to match gauge
  • Notions:
    • Yarn needle
    • 3/4″ buttons (2)
    • Size 0 snaps (3)
    • Stitch marker

Project Level

Intermediate – shaping, edging, multiple sections, crocheting in rows and rounds.

Sizes

3mo [6mo, 12mo, 18mo, 24mo]

  • Circumference at widest point (chest/waist/hips): 15 [16.5, 18, 19.5, 21] inches.
  • Total length, not including straps: 9 [9.5, 11.5, 12.5, 14.25] inches.
  • Length from underarm to top of leg opening: 4 [4.5, 5, 5.75, 6.25] inches.

Gauge

16 hdc x 12 rows = 4 inches

Abbreviations used

ch = chain

hdc = half double crochet

dc = double crochet

rnd = round

RS = right side

sk = skip

sl st = slip stitch

sp = space

st(s) = stitch(es)

WS = wrong side

Instructions:

Front Crotch

With A, ch 13 [14, 15, 16, 17].

Row 1: Sc in 2nd ch from hook and in each ch across. (12 [13, 14, 15, 16] sc)

Row 2: Ch 1, turn, sc in each st across.

Sizes 18mo, 24mo only: Repeat row 2 once more.

All Sizes:

Next Row: Ch 1, turn, 2 sc in first st, sc in each st across to last st, 2 sc in last st. (14 [15, 16, 17, 18] sts)

Repeat last row an additional 6 [5, 6, 5, 6] times. (26 [25, 28, 27, 30] sts)

Next Row: Ch 1, turn, (hdc, 2 sc) in first st, sc in each st across to last st, (2 sc, hdc) in last st. (30 [29, 32, 31, 34] sts)

Sizes 6mo, 12mo, 18mo, 24mo only: Repeat last row an additional [1, 1, 2, 2] times. ([33, 36, 39, 42] sts)

The last row worked is a WS row.

All sizes: Fasten off.

Back bottom:

With A, ch 13 [14, 15, 16, 17].

Row 1: Hdc in 2nd ch from hook and in each ch across. (12 [13, 14, 15, 16] hdc)

Row 2: Ch 1, turn, hdc in each st across.

Repeat row 2 an additional 4 [4, 6, 6, 8] times.

Next Row: Ch 1, turn, 2 hdc in first st, hdc in each st across to last st, 2 hdc in last st. (14 [15, 16, 17, 18] sts)

Repeat last row an additional 8 [7, 8, 9, 10] times. (30 [29, 32, 35, 38] sts)

Sizes 6mo, 12mo, 18mo, 24mo only: Next Row: Ch 1, turn, (dc, 2 hdc) in first st, hdc in each st across to last st, (2 hdc, dc) in last st. ([33, 36, 39, 42] sts)

The last row worked is a WS row.

All sizes: Change to B, do not fasten off A

Body

Join rounds where indicated with a sl st in the first st of the round. Carry unused color up in the first or last stitch of each round.

With B, and continuing from back bottom

Rnd 1 (RS): Ch 1, turn, sc in each st across back bottom, with RS of front crotch facing, sc in each st across front crotch, join. (60 [66, 72, 78, 84] sts)

Rnd 2: With B, ch 1, turn, hdc in first st, dc in each of next 2 sts, hdc in next st, sc in each of next 2 sts, [hdc in next st, dc in each of next 2 sts, hdc in next st, sc in each of next 2 sts] around, join with sl st to first st, change to A. (10 [11, 12, 13, 14] wavelets for a total of 60 [66, 72, 78, 84] sts)

Rnd 3: With A, ch 1, turn, sc in each st around, join.

Rnd 4: With A, ch 1, turn, hdc in first st, sc in each of next 2 sts, hdc in next st, dc in each of next 2 sts, [hdc in next st, sc in each of next 2 sts, hdc in next st, dc in each of next 2 sts] around, join with sl st to first st, change to B. (10 [11, 12, 13, 14] wavelets for a total of 60 [66, 72, 78, 84] sts)

Rnd 5: With B, ch 1, turn, sc in each st around, join.

Repeat rnds 2-5 an additional 2 [2, 3, 3, 4] time(s), then repeat rnd 2 once more, fasten off B.

Sizes 6 mo and 18mo only: Repeat rnds 3-4 once more but do not change colors at the end of the last rnd.

Back Yoke:

Row 1 (RS): Sl st in each of first 3 [4, 4, 5, 5] sts, ch 1, hdc in each of next 24 [25, 28, 31, 34] sts, leaving remaining sts unworked.

Sizes 12 mo, 18 mo, 24 mo only: Repeat last row an additional [2, 2, 5] times.

All Sizes:

Decrease Row: Ch 1, turn, hdc2tog, hdc in each st across to last 2 sts, hdc2tog. (22 [23, 26, 29, 32] sts)

Repeat decrease row an additional 3 [3, 3, 3, 4] times. (16 [17, 18, 21, 24] sts)

Last row: Ch 1, turn, hdc in each st across.

Do not fasten off.

First strap:

Row 1 (RS [RS, WS, WS, RS]): Ch 1, turn, hdc in each of first 3 [3, 3, 5, 5] sts, leaving remaining sts unworked. (3 [3, 3, 5, 5] sts)

Row 2: Ch 1, turn, hdc in each st across.

Repeat row 2 an additional 5 [6, 8, 10, 12] times

Buttonhole row: Ch 1, turn, hdc in first 1 [1, 1, 2, 2] st(s), ch 1, sk next st, hdc in last 1 [1, 1, 2, 2] st(s). (2 [2, 2, 4, 4] sts, 1 ch-1 sp)

Last row: Ch 1, turn, hdc in each st across to ch-1 sp, hdc in ch-1 sp, hdc in each st across to end. (3 [3, 3, 5, 5] sts)

Fasten off.

Second strap:

With (RS [RS, WS, WS, RS]) facing and continuing in unworked sts on back yoke after first strap, sk next 10 [11, 12, 11, 14] sts, join A with sl st in next st.

Row 1: Ch 1, turn, hdc in each of remaining 3 [3, 3, 5, 5] sts. (3 [3, 5, 5, 5] sts)

Continue as for right strap.

Front Yoke:

With RS facing and continuing in unworked sts on body after back yoke, sk next 6 [8, 8, 8, 8] sts, join A with sl st in next st.

Row 1 (RS): Ch 1, hdc in each of first 24 [25, 28, 31, 34] sts, leaving remaining sts unworked.

Sizes 12 mo, 18 mo, 24 mo only: Repeat last row an additional [1, 1, 3] times.

All Sizes:

Decrease Row: Ch 1, turn, hdc2tog, hdc in each st across to last 2 sts, hdc2tog. (22 [23, 26, 29, 32] sts)

Repeat decrease row an additional 3 [3, 3, 3, 4] times. (16 [17, 18, 21, 24] sts)

Fasten off.

Edging

The idea of the edging is to work evenly around all the exposed edges. The actual stitch count isn’t important, as long as the fabric doesn’t pucker or ruffle.

Bottom edging:

With RS facing and working into the bottom of the first row of the front crotch, join A with a sl st in first st.

  • Ch 1, sc in each st across bottom of front crotch
  • Ch 1, sc in side of each row around leg opening
  • Ch 1, sc in each st across back bottom
  • Ch 1, sc in side of each row around leg opening
  • Ch 1, join with a sl st to first st, fasten off. (76 [78, 88, 94, 104] sts)

Top edging:

With RS facing, join A with a sl st in first st of last row of front yoke.

  • Ch 1, sc in each st across top of front yoke,
  • Ch 1, sc in side of each row across side edge of front yoke.
  • Sc in each skipped st at underarm.
  • Sc in side of each row across side edge of back yoke and strap.
  • Ch 1, sc in each st across end of strap.
  • Ch 1, sc in side of each row across side edge of strap.
  • Sc in each skipped st on back yoke.
  • Sc in side of each row across side edge of second strap.
  • Ch 1, sc in each st across end of second strap.
  • Ch 1, sc in side of each row across side edge of strap and side of back yoke.
  • Sc in each skipped st at underarm.
  • Sc in side of each row across side edge of front yoke.
  • Ch 1, join with a sl st to first st, fasten off. (102 [112, 132, 146, 170] sts)

Finishing

Weave in ends, wash, and block.

Lay flat and fold up back bottom so that it overlaps front crotch by about 1/2 inch. Attach 3 snaps where the layers overlap.

Fold straps over so that they overlap front yoke by about 1/2 inch. Sew buttons to yoke in line with button holes.

You can adjust the fit slightly as needed by sewing the buttons higher or lower. For an adjustable fit, try sewing 2 buttons on each strap, one above the other.

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I hope you enjoyed this baby romper crochet pattern. A downloadable pdf of this pattern is available on Ravelry for a small fee.

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