DIY Adorable Knitted Child's Tuxedo Pattern (12 Months–3 Years) — Includes Detachable Bowtie
This charming hand-knitted child's tuxedo is perfect for special occasions — soft, comfortable and thoughtfully detailed. The pattern is worked in worsted-weight yarn in classic black and white and includes sizes for 12 months, 2 years and 3 years. Key features: stockinette body with garter-stitch button bands, a detachable bowtie, and full instructions for back, fronts, sleeves and neckband.
Materials at a glance: Worsted weight yarn — 100 g black and 50 g white; knitting needles sizes 4 mm and 5 mm; seven white 5/8" buttons and two black 5/8" buttons. Gauge: 20 sts and 24 rows = 4 inches in stockinette on 5 mm needles.
This knitted child's tuxedo is a charming and adorable ensemble that is perfect for any special occasion. With its soft fabric and intricate design, the tuxedo is stylish yet comfortable for your little one. The attention to detail in the knitting adds a touch of elegance, making your child look irresistibly dapper. Whether it's for a wedding, party, or photoshoot, this knitted tuxedo is a lovely choice for parents who want their child to look sharp while still feeling cozy.

Hand-knitted child's tuxedo in black and white — pattern includes sizes 12 months, 2 yrs and 3 yrs; detachable bowtie included.
Sizes: 12 months (2 yrs, 3 yrs).
Materials: Worsted weight yarn: 100 g black, and 50 g white. Knitting needles sizes 4 mm and 5 mm. Seven white 5/8" buttons and two black 5/8" buttons.
Gauge: 20 sts and 24 rows = 4 inches in stockinette stitch on 5 mm needles.
Back: With black yarn and size 4 mm needles, cast on 46 (52, 55) sts. Work in k1, p1 ribbing for 12 rows. Change to size 5 mm needles, and inc 10 sts evenly across next row, knitting all sts (right side). Work even in stockinette stitch until piece measures 7 (7 ½, 8 ½) inches from beg.
Shape Armhole: Cast off 4 sts at the beginning of next two rows. Dec one st each side every right side row 3 (4, 5) times. 42 (46, 47) sts remain. Work even until piece measures 12 (13, 14) inches from beg. Cast off.
Right Front: With black and size 4 mm needles, cast on 26 (29, 31) sts. Work in k1, p1 ribbing for 12 rows, increasing 5 sts evenly across last row. Change to size 5 mm needles. With white, k17, then knit 14 (17, 19) with black (right side).
Row 2: Purl across all black sts with black, then with white; (k3, p1) 3 times, end k5.
Row 3: With white, k5, (sl 1, p3) 3 times, then knit to end with black. Repeat rows 2 and 3 for pattern. Work even until piece measures 7 (7 ½, 8 ½) inches.
Armhole Shaping: Cast off 4 sts at armhole edge, then dec 1 st at armhole edge every right side row 3 (4, 5) times. Work even until piece measures 10 ½ (11 ½, 12 ½) inches.
Neck Shaping: Put 5 sts of button band on a stitch holder. Cast off 2 sts at neck edge on next right side row, then dec 1 st at neck edge on next two rows. Decrease 1 st every right side row 3 times — 12 (14, 15) sts rem. Cast off in respective colours.
Left Front: With black and size 4 mm needles, cast on 26 (29, 31) sts. Work in p1, k1 ribbing for 12 rows, making buttonholes on rows 5 and 9 of ribbing as follows: work to last 4 sts; yo, k2tog, rib 2. Increase 5 sts evenly across last row. Change to size 5 mm needles.
K14 (17, 19) with black, then knit 17 with white (right side).
Row 2: With white, k5, (p1, k3) 3 times; purl across all black sts.
Row 3: With black, knit all black sts; then with white, (p3, sl 1) 3 times, k5. Repeat rows 2 and 3 for pattern, making first buttonhole in center of buttonhole band on row 5 of white, then every 10 rows. Decrease for armhole and neck same as right front, only reversing shapings. (Last buttonhole should end up just before buttonhole band sts are put on stitch holder).
Sleeves (make two): With size 4 mm needles and white, cast on 26 sts. Work in k1, p1 rib for 4 rows. Change to larger needles and black. Starting stockinette stitch with a knit row, inc 8 sts across row (34 sts). Continue in st st, inc 1 st each side every 5 (7, 8) rows 7 (8, 9) times. When sleeve measures 7 (7 ½, 8 ½) inches from beginning, start armhole shaping.
Armhole Shaping (follow respective size shaping):
Size 12 months: Cast off 3 sts at beg of next 2 rows, then 2 sts at beg of next 4 rows, then 1 st at beg of next 4 rows, 2 sts at beg of next 4 rows, then 3 sts at beg of next 2 rows. Cast off rem sts.
Size 2 yrs: Cast off 3 sts at beg of next 2 rows, then 2 sts at beg of next 4 rows, then 1 st at beg of next 4 rows, 2 sts at beg of next 2 rows, then 3 sts at beg of next 4 rows. Cast off rem sts.
Size 3 yrs: Cast off 3 sts at beg of next 2 rows, then 2 sts at beg of next 6 rows, work 2 rows even, then cast off 2 sts at beg of next 6 rows, then 3 sts at beg of next 2 rows. Cast off rem sts.
Finishing: Sew shoulder seams and side seams. Sew sleeve seams. Sew sleeves into armholes.
Neckband: Pick up sts around neck as follows: With white and size 4 mm needles, work along sts of buttonband on right front (keeping band in garter stitch), pick up 12 sts along right neck edge, pick up 17 (20, 22) sts along back, 12 sts down left front, and along buttonhole band sts of left front (keeping this in garter st also). Work 5 sts garter st, p1, k1 rib to last 5 sts, then 5 sts garter st. Cast off loosely after 7 rows.
Bowtie: With size 4 mm needles and black, cast on 9 sts.
Row 1: (k1, p1) 4 times, k1. Rows 2-4: repeat row 1. Row 5: p2-tog, (k1, p1) twice, k1, p2-tog. Row 6: (p1, k1) 3 times, p1. Row 7: k2-tog, p1, k1, p1, k2-tog. Rows 8-10: knit. Row 11: k2, yo, k2-tog, k1. Rows 12-14: knit. Row 15: knit then purl into first stitch, k1, p1, k1, purl then knit into last stitch. Row 16: (k1, p1) three times, k1. Row 17: purl then knit into first stitch, (p1, k1) twice, p1, knit then purl into last stitch. Rows 18-21: (k1, p1) 4 times, k1. Cast off.
Bowtie buttons onto top button of sweater.