You will also need stitch holders.

Sweater is knit with a plain stockinette stitch front. The left and right backs are knit in double moss stitch, then cross and fasten in the back.

Finished measurements:
Back Width: 19.5(22.75, 23.25)“ 50(58, 59) cm (please note typo in pattern.)
Finished length: 22(24.25, 26.75)” 56(62.68) cm
Sleeve length to armhole: 3.25” 8 cm for all sizes

Yarn used:
Rowan Summerlite DK
Shade Mushroon 454 - 7(8, 9) balls