Additional Gauge
18 stitches and 31 rows = 10 cm
in purl stitch pattern using 4.5 mm needles

Measurements
To fit chest
51 56 61 66 71 cm (20 22 24 26 28 in)
Length from shoulder
28 33 38 43 48 cm (11 13 15 17 19 in)
Sleeve seam
16.5 20.5 26.5 31.5 37 cm (6½ 8 10½ 12½ 14½ in)

Each source has a different set of recommended yarns. The following is from the Teddy version.

Materials
Teddy Family Aran
4 4 4 5 5 100 gram balls
Teddy Classic Aran
4 4 4 5 5 100 gram balls
Yarn for embroidery if required
Cable Needle
Stitch holders.