From Infiknit website

Knitted sweater with crossed cables inspired by wild blackberries and raspberry canes, with a rolled neckline. Worked in a worsted weight yarn, with a finished chest measurement of 40, 44, 48, 52, 56 inches. Yarn requirements - Tension 23 sts over 4”(10cm) on 4.5mm(US7) needles

Sizes
40 - 6 - 4oz skeins(approx 220yds per skein)
44 - 7 skeins
48 & 52 - 8 skeins
56 - 9 skeins