The same pattern and needles are used for both Ladies and Child’s versions of the mitten, but the yarn thickness is different, to give the size difference

Materials required: set of 4 double pointed size 2.5 mm knitting needles, approx 160 yards/150 metres DK/Light worsted yarn (roughly equivalent to a 50 g ball) for ladies mittens or 4-ply/fingering for child’s mittens, stitch holder.

Ability level: Intermediate

Finished sizes (approximate as these mittens do stretch)
Ladies mittens: 7½-inches/19 cm long by 3½-inches/9 cm across palm
Child’s mittens: 6½-inches/16 cm long by 3-inches/7.5 cm across palm

Gauge
Ladies mittens
7 sts and 10 rows = 1-inch/2.5 cm over stocking /stockinette stitch
Childs mittens
8 sts and 11 rows = 1-inch/2.5 cm over stocking/stockinette stitch