Materials:
Plötulopi (unspun Icelandic wool that comes in circular plates of approximately 100 g and can be used 1-ply, 2 ply, or 3 ply).

For Woman’s Cardigan S (M) L (XL) XXL
0001 White 4 (4) 5 (5) 6
1030 Beige 1 (1) 1 (1) 1
0005 Black Heather 1 (1) 1 (1) 1

For Men’s Cardigan S (M) L (XL) XXL
1030 Beige 4 (4) 4 (5) 6
0005 Black Heather 1 (1) 1 (1) 1
0001 White 1 (1) 1 (1) 1

Needles
5.5 mm (US 9) circular needles 40 and 80 cm
4.5 mm (US 7) circular needles 40 and 80 cm
4.5 mm (US 7) double pointed needles
5.5 mm (US 7) double pointed needles

Zip that opens both ways

From pattern notes: Body and sleeves are worked in the round from lower edge to underarms. Body and sleeves are then joined and yoke is worked in the round over entire cardigan. Pattern and dec are worked from chart. Round begins and ends with a P st at front of body. The front opening is cut open.