This dress and hat is based on a pattern I made for Barbie (available as a free download on Ravelry)

My model is Build a Bear Lil Cub 15" but if you bear is small or larger you could easily adjust the pattern.
Please let me know how find this pattern and post a photo on Ravelry.

Teddy Bear Halloween Dress and Hat
Will fit a 15" build a bear
The actual measurement of the dress is
8" from hem to shoulder and 16" around chest.
You will need:
Black and purple dress and hat: 100g dk yarn black, 25g dk yarn in purple, 25g
dk lilac
Black and orange dress and hat: 100g dk yarn black, 50g dk yarn in orange (I
used James C Brett Twinkle for a bit of sparkle)
No 3.25mm and 4mm needles.
Tension: 22sts x 30 rows
over 4” using no 4mm needles and pattern
Abreviations: k: knit, p:
purl, tog: together, sts: stitches, k2tog: knit 2 together, ss: stocking stitch,
yon: yarn on needle, rep: repeat
Black and Purple dress and hat
Dress
Back and front (both
alike)
Using no 3.25 needles and purple, cast
on 72sts
Work 2 rows in garter stitch (every row
knit)
Change to no 4mm needles
1st
row: *(k2tog) 2 times, (yon, k1) 3 times, k2tog, **, rep from * to** to end of
row
2nd
row: knit
3rd
row: knit
4th
row: purl *** fasten off purple
Change
to lilac
Repeat
rows 1 to 4, fasten off lilac
Change
to black
Repeat
rows 1 to 2
Continue
in stocking stitch until work measures 4.5ins ending on a wrong side
Change to purple (don’t fasten
off black)
Next row: k2, k2tog to last 2sts, k2 across row (38sts)
Next row: k2, k2tog to last 2sts, k2 across row (38sts)
Next row: knit
Work 2 rows gs in black
Work 2 rows gs in purple
Following pattern of 2 rows purple and 2 rows black throughout, work
another 4 rows gs
Shape armhole:
(right side facing) Cast off 4sts
at the beginning of next 2 rows.
Next row: k2tog, k to last 2sts, k2tog
(28sts)
Work 9 rows garter stitch
Neck shaping
Next row: k8, turn, continue on 8sts:
Next row: knit
Next row: k5, k2tog, k1 (7sts)
Next row: knit
Next row: k4, k2tog, k1 (6sts)
Work 7 rows garter stitch (check length
of straps against your bear to ensure a good fit)
Cast off. Fasten off yarn leaving a
tail for sewing seam.
Right front
With right side facing, rejoin yarn
(following colour stripes) Cast off 12sts loosly
Next row: k8, turn, continue on 8sts:
Next row: knit
Next row: k1, k2tog, k5 (7sts)
Next row: knit
Next row: k1, k2tog, k4 (6sts)
Work 7 rows garter stitch (check length
of straps against your bear to ensure a good fit)
Cast off. Fasten off yarn leaving a
tail for sewing seam.
To finish
Sew side seams
Sew shoulder seams
Fasten off all ends
Hat
Using 4mm needles and black, cast on
136sts
Work 4 rows in garter stitch
Then 6 rows stocking stitch
Next row: k2tog
across row (68sts)
Next row: knit
Change to purple
Work 4 rows gs, fasten off purple
Using black work 2 rows ss
Next row: k1, (k2tog, k16) 3 times, k2tog, k11 64sts
Next row: purl
Next row: k1, (k2tog, k15) 3 times, k2tog, k10 60sts
Next row: purl
Following dec as set in last 2 rows,
continue to 24sts, ending on a purl row
Next row: k1, (k2tog, k5) 3 times, k2tog 20sts
Next row: purl
Next row k1, (k2tog, k4) 3 times, k1
17sts
Next row: purl
Next row k1, (k2tog, k3) 3 times 14sts
Next row: purl
Next row k1, (k2tog, k2) 3 times, k1 11sts
Next row: purl
Next row: k1, (k2tog, k1) 3 times, k1 8sts
Next row: purl
Next row: k2tog 4 times
Next row: p2tog 2 times
Cast off
Sew back seam and add a little tassel on top of hat
Sew back seam and add a little tassel on top of hat
Black and orange dress and hat
Dress
Back and front (both alike)
Using no 3.25 needles and black, cast
on 72sts
Work 2 rows in garter stitch (every row
knit)
Change to no 4mm needles
1st
row: *(k2tog) 2 times, (yon, k1) 3 times, k2tog, **, rep from * to** to end of
row
2nd
row: knit
3rd
row: knit
4th
row: purl ***
Repeat
rows 1 to 4, 3 times
Change
to orange
Repeat
rows 1 to 4 then 1 to 2
Continue
using orange work in ss to 4.5”
Continue
as black and purple dress BUT working stripes on bodice, 4 rows black and 4
rows orange.
Orange and black hat
Using 4mm needles and orange, cast on
136sts
Change to black and using black
throughout continue as black and purple hat