You will need 8 buttons, approximately .5” (11 mm) each. Rowan used #TGB4974 apricot corozo buttons from Textile Garden in the UK.

You will need a cable needle.

Finished measurements:
Chest circumference: 33.25( 37.5, 40.75, 45, 49, 53.25, 56.5, 60.75, 65.25)“ 84.5( 95, 103.5, 114, 124.5, 135, 143.5, 154, 166) cm
Finished length: 24( 24.75, 25.5, 26.5, 27.25, 28, 28.25, 29.25, 29.5)” 61( 63, 65, 67, 69, 71, 72, 74, 75) cm
Sleeve seam:17.25( 17.75, 17.75, 18, 18, 18, 18, 18, 18) “ 44( 45, 45, 46, 46, 46, 46, 46, 46) cm

Yarn used
Rowan Pure Alpaca
Shade 120 Ruby - 10(12, 13, 14, 15, 17, 18, 19, 20) balls