Swatch, yarn held double

3.75/4.00 before blocking 24 stitches and 32 rows, after blocking 22 stitches and 30 rows

4.00/4.50 before blocking 21 stitches and 28 rows, after blocking 20.5 stitches and 28 rows

4.5 it is with yarn held double.

Knitting the size 4yrs as written.

Lengthening the body by 3cm
5 garter ridges on hem before BO
Icelandic BO
Pockets 23 rows before short rows
Substituting w+t by twin stitches
Lengthening sleeves by about 4cm for little miss monkey arms (a family trait that I share)

Going down to 3.5mm DPNs for neckline
3 garter ridges = 6 rows
Icelandic BO

Yarn used:
Swatch used 11g
Body and BO without pockets used 172g
Left pocket used 10g
Right pocket used 10g
Neckline about 5g
Sleeves 62g