You will need a size US 3 (3.25 mm) circular needle at least 52” (130 cm) long to make the button band when finishing.

You will also need 6 buttons - approximately .75” (20 mm). Rowan found theirs at Textile Garden in the UK.

Finished measurements:
Chest circumference: 37.25( 41.5, 45.25, 49.75, 53.5, 57.25, 61, 65.5, 70)“ 96( 105.5, 115, 126.5, 136, 145.5, 155, 166.5, 178) cm
Finished length: 32.25( 33, 33.75, 34.75, 3.5, 36.25, 36.5, 37.5, 37.75)” 82( 84 ,86, 88, 90, 92, 93, 95, 96) 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 Fine Tweed Haze
Shade 002 Deep - 6(6, 7, 8, 8, 9, 9, 10, 11) balls