You will also need a cable needle.

You will also need five buttons. Rowan used #BN1367 from Bedecked in the UK.

Finished measurements: 36(40, 44, 48.25, 52.25, 45.5)“ 91.5(101.5, 112, 122.5, 133, 143.5) cm
Finished length: 26(26.75, 27.5, 28.25, 29.25)” 66(68, 70, 72, 74, 76) cm
Sleeve to armhole: 18.5(19.25, 20, 20.5, 20.75, 20.75)“ 47(49, 51, 52, 53, 53) cm

Yarn used:
Rowan Softyak DK
Shade 251 Submarine - 12(14, 15, 17, 18, 20) balls