Summary
Knitted in garter stitch these socks have a ribbed turn over cuff and tied at the ankle. The socks are all made from the same number of stitches but the needle size changes to get the measurements

Sizes
6-9 years - length 7”, height 5.75”
10-13 years - length 8”, height 6.5”
Adult - length 9.5”, height 7.25”

Gauge
6-9 years - 8 stitches and 13 rows to 1 inch using 3.75mm US 5 needles over garter stitch
10-13 years - 7 stitches and 12 rows to 1 inch using 4mm US 6 needles over garter stitch
Adult - 6 stitches and 11 rows to 1 inch using 4.5mm US 7 needles over garter stitch

Materials
2 oz Femina Botany Fingering 3-ply