Martin by Jody Long is an updated classic!
FINISHED MEASUREMENTS:
Circumference: 55 cm (21 in)
GAUGE:31 stitches and 31.5 rows = 4 inches in 1 patt repeat (31 sts) to 11 cm (4 in) and 31 rounds to 10 cm (4 in) measured over main patt using 4 mm (US 6) needles.
Martin PDF3 ballsJody Long Ciao

Needles and notions are not included.
It’s knit using sizes US 3/3.25mm and 6/4mm needles, or sizes needed to obtain gauge.