You will need a stitch holder and 7 buttons. Sirdar used their button # B5611-0785.

Finished measurements:
Chest circumference: 42.5(47, 51.25, 54.75, 59, 62.5)“ 108(119, 130, 139, 150, 159) cm
Finished length: 21.75( 22.5, 23.25, 24, 24.75, 25.5)” 55(57, 59, 61, 63, 65) cm
Sleeve length: 18.5” (47 cm) for all sizes

Yarn used:
Sirdar Haworth Tweed
Shade 911 Cotton Grass Cream - 8(9, 10, 11, 12, 13) balls

Adding texture and interest, this round neck cardigan has an all over rib and welt stitch creating the zig-zag pattern. The drop shoulder and boxy shape allow the pattern to take centre stage.