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Type

Crochet

Difficulty

intermediate

Category

pullover

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Generated preview image for Classic 4ply Baby Matinee Jacket
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Stitch chart guide image for Classic 4ply Baby Matinee Jacket
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AI Thinking Process

Planning

1. **Design Strategy**: Classic British 4ply baby matinee jacket β€” open-front raglan cardigan, not a pullover. Buttoned yoke, BLO dc ribbed hem and cuffs, picot neck/front edging. UK treble fabric in true 4ply/fingering; two infant sizes only, as requested. 2. **Construction Plan**: Top-down raglan in rows through yoke and body; sleeves in joined rounds; hem and cuffs in dc BLO; one-piece dc-and-picot band along fronts and neck. 3. **Quality Assurance**: - Match tension exactly; UK tr fabric is tall and length runs long if loose. - Keep raglan markers in the centre stitch of each 3-tr group every row. - Sew buttons extremely securely (infant choking hazard). 4. **Final Calculations**: Tension 22 tr Γ— 12 rows = 10 cm on 3.50 mm. 0–3: 48 foundation sts, 11 increase rows to 136, divide to 100 body / 34 sleeve; chest 46 cm; length 26 cm. 3–6: 56 foundation sts, 12 increase rows to 152, divide to 110 body / 37 sleeve; chest 50 cm; length 30 cm.

Verification

[PRE-FLIGHT CHECKS] 1. **Completeness**: Title, sizes, measurements, materials, tension, abbreviations, notes, yoke, divide, body, hem, sleeves, cuffs, edging, finishing, schematic β€” all present. Pullover template adapted to a cardigan matinee (open front, buttons, baby sizes). 2. **Consistency**: 22 tr/10 cm. 0–3: 100 sts = 45.5 cm β†’ 46 cm chest. 3–6: 110 sts = 50 cm chest. Yoke 12 (13) rows = 10 (11) cm. Increases +8 per row throughout. 3. **Constraints**: 4ply, UK terms, UK spelling, metric first, 0–3 and 3–6 only, jacket not pullover, intermediate, picot matinee finish. 4. **Safety**: Arithmetic rechecked below. Baby-button warning included. 5. **Fix before writing**: 3–6 underarm set at ch 8 (not 9) so sleeve is 37 sts / 16.8 cm. Body 110 sts / 50 cm. No other corrections.

Pattern

Classic 4ply Baby Matinee Jacket

A timeless top-down raglan matinee jacket in 4ply, worked in one piece to the underarm. Ribbed hem and cuffs keep the edges neat; a picot band frames the fronts and neck. Intermediate.

Skill level: Intermediate


Sizes

0–3 months (3–6 months)

Figures in brackets refer to 3–6 months. Where only one figure is given, it applies to both sizes.


Finished measurements

0–3 months 3–6 months
To fit chest 41 cm (16 in) 46 cm (18 in)
Actual chest (buttoned) 46 cm (18 in) 50 cm (19ΒΎ in)
Length from back neck 26 cm (10ΒΌ in) 30 cm (11ΒΎ in)
Yoke depth 10 cm (4 in) 11 cm (4ΒΌ in)
Sleeve length 13 cm (5ΒΌ in) 16 cm (6ΒΌ in)
Upper arm 15.5 cm (6 in) 17 cm (6ΒΎ in)

Ease is about 4–5 cm (1½–2 in) at the chest β€” a classic baby jacket fit, not oversized.


Materials

Yarn: 4ply (fingering) baby yarn, approx. 200–226 m per 50 g.

  • 0–3 months: 150 g / 400 m (3 Γ— 50 g balls)
  • 3–6 months: 200 g / 600 m (4 Γ— 50 g balls)

Allow a spare ball for tension swatch and slight differences between brands. Traditional colours: white, cream, lemon, pale pink, pale blue, or mint.

Hooks:

  • 3.50 mm (UK 9) for the main fabric
  • 3.00 mm (UK 11) for ribbing and edging

Notions:

  • 4 stitch markers
  • 4 (5) buttons, 12 mm diameter
  • Tapestry needle
  • Sewing needle and matching thread for buttons

Tension (gauge)

22 treble crochet and 12 rows = 10 cm Γ— 10 cm using 3.50 mm hook, measured over treble fabric, unblocked then gently smoothed.

Work a swatch of at least 26 tr Γ— 16 rows. Measure the centre 22 sts and 12 rows. If you have too few stitches in 10 cm, try a smaller hook; if too many, try a larger hook.

This tension is critical. A difference of 1 stitch in 10 cm changes the chest by about 2 cm.


Abbreviations (UK)

Abbreviation Meaning
BLO back loop only
ch chain
cm centimetre(s)
dc double crochet (US single crochet)
in inch(es)
mm millimetre(s)
pm place marker
rep repeat
RS right side
sl st slip stitch
st(s) stitch(es)
tr treble crochet (US double crochet)
tr2tog treble 2 together
WS wrong side
yoh yarn over hook

tr2tog: (Yoh, insert hook in next st, yoh, pull through, yoh, pull through 2 loops) twice, yoh, pull through all 3 loops on hook. (1 st decreased)

Picot: Ch 3, sl st in first of these 3 ch.


Notes

  1. The jacket is a cardigan, not a pullover: it is worked back and forth in rows through the yoke and body, with a front opening.
  2. Ch 3 at the start of a row or round counts as 1 tr throughout.
  3. Raglan increases are 3 tr worked into the marked centre stitch. Move the marker up into the centre stitch of the new 3-tr group every row.
  4. Work the foundation chain loosely (or use a 4.00 mm hook for the chain only) so the neck sits comfortably.
  5. Sleeves are worked in joined rounds without turning.
  6. Safety: Buttons on infant garments must be sewn on extremely firmly with several passes of thread, and checked often. Do not use buttons on garments for babies who mouth clothing if a securely fastened alternative (no ties around the neck) is required by the recipient.

Jacket

Yoke

With 3.50 mm hook, ch 50 (58) loosely.

Row 1 (RS): 1 tr in 4th ch from hook, 1 tr in each of next 6 (8) ch, 3 tr in next ch, 1 tr in each of next 4 (5) ch, 3 tr in next ch, 1 tr in each of next 20 (22) ch, 3 tr in next ch, 1 tr in each of next 4 (5) ch, 3 tr in next ch, 1 tr in each of last 8 (10) ch. Turn. 56 (64) tr. (Foundation 48 (56) working stitches + 8 increase stitches = 56 (64) βœ“)

Pm in the centre stitch of each 3-tr group. (4 raglan markers)

Row 2: Ch 3 (counts as 1 tr), *1 tr in each st to next marked st, 3 tr in marked st, move marker to centre st of these 3 tr; rep from * 3 more times, 1 tr in each st to end. Turn. 64 (72) tr. (56 (64) + 8 = 64 (72) βœ“)

Rows 3–11 (3–12): As Row 2.

Stitch counts at the end of each increase row:

Row 0–3 months 3–6 months
1 56 64
2 64 72
3 72 80
4 80 88
5 88 96
6 96 104
7 104 112
8 112 120
9 120 128
10 128 136
11 136 144
12 β€” 152

0–3 months stops after Row 11: 136 tr (56 + 10 Γ— 8 = 136 βœ“). 3–6 months stops after Row 12: 152 tr (64 + 11 Γ— 8 = 152 βœ“).

Yoke should measure approx. 9 (10) cm from the foundation chain, with one divide row still to work.

Section check before dividing (sts either side of the 4 marked centre sts):

  • 0–3: 19, marker, 26 (sleeve), marker, 42 (back), marker, 26 (sleeve), marker, 19. Total 19 + 26 + 42 + 26 + 19 + 4 markers = 136 βœ“
  • 3–6: 22, marker, 29 (sleeve), marker, 46 (back), marker, 29 (sleeve), marker, 22. Total 22 + 29 + 46 + 29 + 22 + 4 markers = 152 βœ“

Divide for body and sleeves

Next row (divide): Ch 3 (counts as 1 tr), 1 tr in each st to first marked st, 1 tr in marked st, ch 8, skip all stitches to the next marked st (left sleeve), 1 tr in marked st, 1 tr in each st to next marked st, 1 tr in marked st, ch 8, skip all stitches to the next marked st (right sleeve), 1 tr in marked st, 1 tr in each st to end. Turn.

100 (110) sts, counting each chain as 1 stitch.

  • 0–3: 20 + 8 + 44 + 8 + 20 = 100 βœ“
  • 3–6: 23 + 8 + 48 + 8 + 23 = 110 βœ“

Remove raglan markers. Leave the skipped sleeve stitches to be worked later.


Body

Next row: Ch 3, 1 tr in each tr and in each ch to end. Turn. 100 (110) tr.

Work even in treble crochet until the body measures 13 (16) cm from the divide row, ending with a WS row. (Approx. 16 (19) rows from the divide, including the divide row itself: 16 rows Γ— 10/12 cm = 13.3 cm βœ“; 19 rows Γ— 10/12 cm = 15.8 cm βœ“.)

Do not fasten off. Change to 3.00 mm hook.


Hem ribbing

Rib row 1 (RS): Ch 1 (does not count as a st), 1 dc in each st to end. Turn. 100 (110) dc.

Rib rows 2–8: Ch 1, 1 dc BLO in each st to end. Turn.

Fasten off.

Hem ribbing is 8 rows β‰ˆ 3 cm. Total length from back neck: 10 (11) cm yoke + 13 (16) cm body + 3 cm ribbing = 26 (30) cm βœ“.


Sleeves

With RS facing and 3.50 mm hook, join yarn in the centre of one underarm chain.

Round 1: Ch 3 (counts as 1 tr), work 1 tr in each remaining underarm ch, 1 tr in each skipped sleeve st, 1 tr in each remaining underarm ch; if a small gap appears at either underarm corner, work tr2tog over the gap rather than adding extra stitches. Join with sl st in top of ch-3. Do not turn. 34 (37) tr. (0–3: 26 sleeve + 8 underarm = 34 βœ“; 3–6: 29 sleeve + 8 underarm = 37 βœ“)

Work in continuous joined rounds as follows.

0–3 months only

Round 2: Ch 3, 1 tr in each st to end, sl st in top of ch-3. 34 tr.

Round 3 (dec): Ch 3, tr2tog, 1 tr in each st to last 2 sts, tr2tog, sl st in top of ch-3. 32 tr. (34 βˆ’ 2 = 32 βœ“)

Rounds 4–5: As Round 2. 32 tr.

Round 6: As Round 3. 30 tr.

Rounds 7–8: As Round 2. 30 tr.

Round 9: As Round 3. 28 tr.

Rounds 10–11: As Round 2. 28 tr.

Round 12: As Round 3. 26 tr. (4 decrease rounds Γ— 2 sts = 8; 34 βˆ’ 8 = 26 βœ“)

Sleeve treble section measures approx. 10 cm (12 rounds Γ— 10/12 cm = 10 cm βœ“).

3–6 months only

Round 2: Ch 3, 1 tr in each st to end, sl st in top of ch-3. 37 tr.

Round 3 (dec): Ch 3, tr2tog, 1 tr in each st to last 2 sts, tr2tog, sl st in top of ch-3. 35 tr. (37 βˆ’ 2 = 35 βœ“)

Rounds 4–5: As Round 2.

Round 6: As Round 3. 33 tr.

Rounds 7–8: As Round 2.

Round 9: As Round 3. 31 tr.

Rounds 10–11: As Round 2.

Round 12: As Round 3. 29 tr.

Rounds 13–14: As Round 2.

Round 15: As Round 3. 27 tr.

Round 16: As Round 2. 27 tr. (5 decrease rounds Γ— 2 sts = 10; 37 βˆ’ 10 = 27 βœ“)

Sleeve treble section measures approx. 13 cm (16 rounds Γ— 10/12 cm = 13.3 cm βœ“).

Both sizes: Fasten off the 3.50 mm yarn. Join 3.00 mm hook.


Cuffs

Cuff round 1: Ch 1, 1 dc in each st around, sl st in first dc. 26 (27) dc.

Cuff rounds 2–8: Ch 1, 1 dc BLO in each st around, sl st in first dc.

Fasten off.

Cuff β‰ˆ 3 cm. Total sleeve length: 10 (13) cm + 3 cm = 13 (16) cm βœ“.

Work the second sleeve to match.


Front and neck edging

With RS facing, 3.00 mm hook, and starting at the lower right front corner as the garment will be worn (buttonholes sit on the right front), join yarn in the first hem stitch.

Pickup row: Ch 1, work dc evenly up the right front, around the neck, and down the left front, as follows:

  • 1 dc in each dc row-end of the hem ribbing
  • 2 dc in each tr row-end along the fronts
  • 1 dc in each remaining loop of the foundation chain around the neck
  • 3 dc in each of the 2 corners where the front edge meets the neck

Guide counts (adjust by 1 or 2 sts if needed so the edge lies flat):

  • Each front: approx. 64 (72) dc
  • Neck: 48 (56) dc
  • Plus 2 extra sts at each neck corner

Do not turn if you prefer to work in one direction; or turn, as you wish β€” keep RS facing for the picot row if you turned.

Buttonhole row: Ch 1, 1 dc in each dc up the right front to the start of the yoke (the uppermost 10 (11) cm of the front edge). Along that yoke section only, work 4 (5) buttonholes evenly spaced, each buttonhole worked as ch 2, skip 2 dc, with 2 dc before the first hole and 2 dc after the last hole. Continue in dc around the neck (working 3 dc in each corner st) and down the left front. Turn.

Picot row (RS): Ch 1, *3 dc, 1 picot; rep from * along both fronts and around the neck, working 3 dc in each neck corner and ending with 1–2 dc if the count does not divide exactly by 3. Fasten off.


Finishing

  1. Weave in all ends on the WS.
  2. Close any small underarm gaps with a few stitches on the WS.
  3. Sew 4 (5) buttons to the left front (as worn), opposite the buttonholes. Use sewing thread, take several firm passes through each button, and finish with a secure knot on the WS. Check they cannot be pulled off.
  4. Block gently to the measurements above. For acrylic 4ply, use steam (do not let the iron rest on the fabric). For wool or wool-blend 4ply, wet-block and dry flat.

Schematic (measurements)

                    neck
              β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
             /   yoke raglan  \
            /  10 (11) cm deep \
           /                    \
    ______/                      \______
   |  sleeve                      sleeve |
   | 13 (16) cm                  13 (16) |
   | upper arm 15.5 (17) cm              |
   |                                     |
   |         BODY, buttoned              |
   |         chest 46 (50) cm            |
   |                                     |
   |         total length                |
   |         26 (30) cm                  |
   |_____________________________________|
              hem ribbing 3 cm

Fronts overlap only by the width of the button band (about 1 cm) when fastened. Buttons sit on the yoke; the lower body hangs as a classic matinee.


Make it your own

  • Contrast edging: Work the picot band and/or ribbing in a second pastel.
  • Boyish finish: Omit picots and work 3 rows of plain dc for the front band instead.
  • Extra length: Add treble rows to the body before the hem β€” each 2 rows add about 1.5 cm.
  • Yarn: Any true 4ply that meets tension. If your yarn is a heavy 4ply (closer to sport), go down a hook and re-check tension before starting.

Disclaimer: This pattern was generated by AI and should be reviewed for accuracy before use. While we strive for quality, AI-generated content may contain errors. Please verify measurements, stitch counts, charts, and instructions before beginning your project. Generated by purlJam.uk

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